133C++;<01ÞW&ßnamespaceNameSpaceA(inta=0;)namespaceNameSpaceB(inta=1;namespaceNameSpaceC(structTeacher(charname[10];intage;)I)intmain()(usingnamespaceNameSpaceA;usingNameSpaceB::NameSpaceC::Teacher;
14printf(za=%d
15z/,a);printf(za-%d
16NameSpaceB::a);NameSpaceB::NameSpaceC::Teachert2Teachertl=3);printf(zt1.name$%s
17tl.name);printf(z/tl.age=%d
18tl.age);system("pause");return0;)4,-1)./ᵨ1iostream3Ḅ57ᜮᦻ:;ᨵ=>ᐰ@ABCD,EF/ᵨnamespacestdGH᪵JKLM/ᵨcoutOPQᐭusingnamespacestd◤⌕H᪵Ustd::couto2)C++᪗XYZ[C\]^_YZLM/ᵨABCD`=ᜮᦻ:P/ᵨab.h3)C++ABCDḄ=>cnamespacename{...}4)usingnamespaceNameSpaceA;5)namespce=>ijᝅ
194.2“mᵨឋ”pqinclude"iostream"usingnamespacestd;€cstuḄvwxEFᙠzᵨ{^|Ḅ}~=>C++ustḄ“mᵨឋ”ᡠᨵḄvwxiᙠ◤⌕/ᵨ5=>intmainll()(inti=0;printfC'ddd");intk;system("pause");return0;4.3registerᐵp“registerᐵᘤvwaᙠᘤ☢ᙠcsturegister⛲ḄvwPKᙢᙬᙠC++☢UZᑁ¡/*//I
20registerᐵḄvᓄregisterᐵ“ᘤ”£@¤vw¥¦ᘤuCstu§¨©registervwᙢᙬᙠC++uªᯠ¬ᢝregisterᐵC++ᘤᨵ®¯Ḅ°ᓄ±²P/ᵨregister_iKU°ᓄC++ui©registervwḄᙢᙬ//2C++ᘤ³´µ¶u◤⌕registervwḄᙢᙬ5register·vwḄ¸¹v©§ᦔ3»¼CstᘤP½·¾ṹÀÁ°ᓄÂÃregistervwÄÅÆÇḄ⊡ᐙ*/intmain22()(registerinta=0;printf("&a=%x
21"&a);;system("pause");return0;ᐸË⊡ᐙc▅ÍÎregisterᐵÏÐÑ▅Í.docx3
224.4vwÓÔpᙠcstuÕÖ=>×ÅØBḄᐰ@vwᔠ¨ḄᙠC++uPᐕÛ=>×ÅØBḄᐰ@vwCstu×ÅØBḄᐰ@vwᨬݽÞßᑮᐰ@ᦪâ\ḄØÄÅᙢᙬCDãintg_var;intg_var=1;C++äåHæ$>ឋḄU¨*/intmain(intargc,char*argv[])(printf("g_var=%d
23",g_var);return0;)4.5structçèqstructçèḄqcCstḄstruct=>ZÄévwḄêᔠCᘤëPìYHÄæíḄçèC++uḄstructÄÅíçèḄ=>¸¹structStudent(charname[100];
24intage;);intmain(intargc,char*argv[])(Studentsi={"wang",1};Students2={"wang2"2};zreturn0;)4.6C++uᡠᨵḄvw[îᦪxEFᨵçè/*C++uᡠᨵḄvw[îᦪxEFᨵçèCstuḄïìçèᙠC++uPᔠ¨ḄîᦪfḄðñòóôçèõᦪöóôçè÷îᦪgiø×ùÅõᦪ÷7ᣚᡂ.cppüüf(i)
25printf("i=%d
26"i);zg()(return5;)intmain(intargc,char*argv[])(f(10)Gprintf("g()=%d
27",g(l,2,3,4,5));getchar();return0;)ý,c/*ᙠcstuintf()G⊤ int,ᦪḄᦪ
28intf(void)⊤ intḄᦪᙠC++intf()^Mntf(void)ᐹᨵḄ⊤ intḄᦪ*/C++ !Ḅ"#ᐗ%&'( ᢣ*!4.2-4.6+,-./0Ḅ1 4.731Bool!ᐵ56C++Ḅ78!C++ᙠC-9Ḅ:;!<=>?1 @boolC++ḄboolABḄCᨵtrueDfalseᳮF?boolCᓰᵨIJ6⁚MNJboolOPQᙠIRASTᔜᓰIJbit,VBW,XYᘤḄ[\true]⊤^XYᘤᑁ`ᵨ1ᩭ⊤ false]⊤b^XYᘤᑁ`ᵨ0ᩭ⊤ bool!Cᨵtrue(b0)Dfalse(0)dJC++XYᘤTᙠefgb0hᣚtrue,0hᣚfalseintmain(intargc,char*argv[])(inta;
29boolb=true;printf("b=%d,sizeof(b)=%d
30"b,sizeof(b));b=4;a=b;printf(Ha=%d,b=%d
31",a,b);b=-4;a=b;printf("a=%db=%d
32"a,b);z/a=10;b=a;printf("a=%d,b=%d
33"a,b);/b=0;printf(Hb=%d
34"b);/systemCpause'*);return0;
354.8jklmnoS1 1jklmnᙠCDC++XYᘤḄ⊤\intmain()(inta=10;intb=20;IJᨬrᦪstuᨬrᦪeᡂ3jklmnwIJ⊤xy⊤xyzAS{|(a36",a,b);system("pause");return0;2}F1)c-9OPḄC++-9wOP;~C-9ḄjklmnḄwOPzS|ᵨC++ḄjklmnAOP;~A\ᙠ"#Ḅᙢ2)jklmnASḄMᨵIJwPᑣzS|ᵨ(a373)C-9ᢝC++Ḅᱯឋᕖ====|Ḅᩩ⌕ᨵᑁC++XYᘤ"#ᕒB@IJᙢᙬ¡¢£ὃ¥CḄjklm.|ᕖ5C/C++Ḅconst1const:Ạ§¨(ᵨ.ஹªஹ«ᜐ)intmain(){constinta;intconstb;constint*c;int*constd;constint*conste;return0;}Intfuncl(const)®/ᳮ¯constwQP°±constᕡḼC´ªµIJµ°J£I᪵]⊤IJ¸ᦪµjJCwIJᢣᔣ¸ᦪḄᢣ┐(ᡠᢣᔣḄᑁᦪ¼zS½¾ᦋÀw;~A¾ᦋ)
38µÁJdᢣ┐Âᢣ┐OPzS½¾ᦋÀwÃᡠᢣᔣᑁA½¾ᦋĵÅJeIJᢣᔣ¸Ḅᢣ┐Âᢣ┐DÃᡠᢣᔣḄᑁᙳzS½¾ᦋÄConst«ᜐᔠᳮḄᑭᵨconst,1ᢣ┐{ᦪᦪAᨵᦔḄÊË]ṹA´ឋÍÎbug//2ÏÐḄᑖÏᦪḄÒᐭDÒᱯឋintsetTeacher_errconstTeacher*p Const¾ᦋ¸Ḅfᙠᑭᵨ¸zS¾ᦋᢣ┐ᡠᔣḄᑁ2c“ᑈ×Ø”intmain(){constinta=10;int*p=(int*)&a;printf("a===>%d
39"a);/*p=ll;printf("a===>%d
40"a);/printf("Hello……
41");return0;¯ÚC++XYᘤÛconstPḄᜐᳮ
42ÜÝPÞ*fᙠnß⊤àᐭPá⚪ãᨵ¯ÚBᙢᙬXYä"åæ\ᵨPᑣnß⊤ḄçᣚXYä"åæ\Ûconstᵨ@externᡈὅ&ënᑣuÛìḄPᑖíî(ïðC)?ὶóint&a=l(err)&constint&a=10(ok)?C++constnß⊤ôᳮõC++XYᘤöᯠASconstPᑖíÀzTᵨᐸîḄ}FC-9ḄconstOPC-9constOPwC´OPᨵùúḄîC++ḄconstPASᑖíîûASzᑖíîconstPᐰýst◤⌕ᙠᐸÃᦻ ᵨᵨ&constḄᙢᙬ3const#(16116ᜐ //#defineN10
43intmain()constinta=1;constintb=2;intarray[a+b]={0};inti=0;for(i=0;i<(a+b);i++)(printf("array[%d]=%d
44“,i,array[i]);)getchar();return0;C++Ḅconst⛲Ḅ"#$%&'Ḅ"()#C*+,-.ᙠconst⛲Ḅ1234"56789:ᩭ<4const#+=116Ḅ>?U@ABCC++ḄconstDEFG9Hconstintc=5;#definec5C++ḄconstIG9H)
45const#ᵫ12ᘤᜐᳮḄ"MNDOPQᵨRPQG9Hᵫ⚜ᜐᳮᘤᜐᳮ"ᓫUḄᦻWXᣚᙠfund9Ha,ᙠfunc2Zᵨᔩ\ᙠfund9HḄb,ᙠfunc2Zᵨᔩ?voidfunl()(#definea10constintb=20;//#undefa#undef)voidfun2()(printf("a=%d
46"a);///printf("b=%d
47",b);}intmain()(funl();fun2();return0;)
485^_C`aḄconst*C`aconst*#,-*"ᨵcdḄefg4C++ḄconsthZᑖjefg4"khZ)ᑖjefg4const ᐰm"no◤⌕ᙠᐸsᦻ ᵨ"tᑖjefg4ᵨ&"constḄᙢᙬu"tᑖjefg4constint&a=10;const⛲vᵨu"ktᑖjefg46vᵨw⚪yz1vᵨ+{|vᵨ.*}~*}#$efg4Ḅ}"#$%᪗+.|*ᩭᵭn}ᑁeg4|*Ḅ}hᵨefg4⚪1@$Ḅᑁeg4,Z$%}ᔩ\1vᵨᭆa ᙠC++B49d)vᵨᦪᦪ\(vᵨ ᦪᦪ¡¢u)£¤¥¦ᓄ)voidmain01()(m13©10ª12ᘤᑖj4%⁚ᑁeaᑁeg4Ḅ}int&b=a;b5#aḄ}a©11;¬®¯(int*p=&a;*p=12;printf(na%d
50",a);)b=14;printf(na:%db:%d”"a,b);system("pause");2vᵨ#C++Ḅᭆ°FC++12ᘤ@cḄ²⚪Ch12|ᔩ\intmain()(inta=0;int&b=a;//int*constb=&ab=11;//*b=11;
51return0;^_)⌕ᵨCḄ`ὃ⇋b=ll3vᵨᦪᦪ{|vᵨᙠ¡¢uµ¶ᵨᐸsḄ*£¤¥¦ᓄ,vᵨ ᦪᦪ¡¢u)£¤¥¦ᓄ05¸ᩖᦪºDOḄvᵨstructTeacher(charname[64];intage;};voidprintfT(Teacher*pT)(cout«pT->age«endl;)pT#tlḄ}"Fᦋ52pT.age=33;pTtlḄ#¼%)Ḅ*voidprintfT3(TeacherpT)(cout«pT.age«endl;pT.age=45;,tᦋpT*")tᦋtl*)voidmain()(Teachertl;tl.age=35;printfT(&tl);printfT2(tl);pT#tlḄ}printf("tl.age:%d
53",tl.age);//33printfT3(tl);//pT#½,tlcopy$¾ᦪº¿pT//—>pT=tlprintf("tl.age:%d
54",tl.age);//35cout«"hello..."«endl;system("pause");
55return;4*ᵨḄ+,1)vᵨ ᐸs*Ḅ}(eᙠ"ÀÁᙠ$ÂÃᔠhªXᢣ┐2)vᵨ@Fᢣ┐ᩭÇᐹᨵÉÊḄh-ឋᵨឋBintswap2(int**a,int*b)Elintswapl(int&a,int&b)((intt=*a;intt=a;*a=*b;a=b;*b=t;b=t;return0;return0;))5*ᵨ-./ὃÌὃLC++12ᘤÍÎ< Ï\intmain()(inta=10;int&b©a;13#@Ḅ}"C++12ᘤÎ☢< Ï\b=11;cout</"<56"a);
57printf(b:%d
58"b);printf("z&a:%d
59z",&a);printf(&b:%d
60"&b);Ìὃ@$ᑁeg4hÊð%}ᔩ\system("pause");return0;}ᓫõ9HḄvᵨu"µ¶¥¦ᓄöÇ¢÷ø$%Ìὃ2{|vᵨᨵcdḄg4ᔩ\structTeacer{int&a;int&b;}öintmain(){printf(/Zsizeof(Teacher)%d
61"sizeof(Teacer));system("pause");return0;}vᵨ#$%ᨵᙢᙬ"vᵨ#char*constp6vᵨḄW1)vᵨᙠC++Ḅᑁþÿ ᢣ┐Type&nameWfType*constname
622)C++ᘤᙠᵨᢣ┐ᵨḄᑁᵨᡠᓰᵨḄ ᜧ!ᢣ┐"#3)%ᵨḄ&'ᵨ()*+(ᐸ- ./0ᨵ23Ḅ45 6 C++7ᵨឋ9:;Ḅ<⁚◚?voidfunc(int&a)voidfunc(int*consta){{a=5;*a=5}}Intmain()(intx=10;func(x);)4)BC63mᦪHᵨn᪘QReᡂᐸᵨḄHeHᵨ☟QRᡈᐰQRᡂᐸᵨḄHᓽHᵨHᵨC++ᵨᑮᵨ¡¢£¤¥¦⚪H ¨Ạª«mᵨintgetAAl()(inta;a=10;returna;)¨Ạª«aḄn(ᨵ¬int&getAA2()(inta;a=10;returna;
64int*getAA3()inta;a=10;return&a;H staticQRmᵨ“static`⛲QRḄnQR ¯QRintj()(staticinta=10;a++;printf("a:%d
65",a);returna;(staticinta=10;a++;printf("a:%d
66H,a);
67returna;int*j2()(staticinta=10;a++;printf("a:%d
68"a);zreturn&a;voidmain22()(°Ḅ¡¢b± ᦪH0ᨵᑁ4ᙢᙬemH//II=100;//*(a>b?&a:&b)=111;m²³ᵨḄᦪmHḄn´µᵨjl()=100;ᘤpᡃrᡭ⌼7¸jl()º*(j2())=200;"m»ᡃrsᕒuvḄᡭ⌼:HḄᩩM12()ºsystem("pause");
69H UTmᵨintgl(int*p)(*p=100;return*p;)int&g2(int*p)//(*p=100;return*p;mᡃrᵨᵨwxḄnᡃre_ᐵyᘤᵨ z{:Ḅmᡃrᑖ᪆¼ṹ6¾Ḅnᡃr_ὃ⇋C++ᘤ z{:Ḅvoidmain23()(intal=10;al=g2(&al);int&a2=g2(&al);ᵨᵨ_F¿ᦪḄH e ¼ṹᐵÀ ÁḄᑁ4 e ²ᘤᦈ7
70printf("al:%d
71"al);zprintf("a2:%d
72",a2);system("pause");HèẠª«structTeachar(charname[64];intage;º±ᵨe ¨Ạª« ªÅ{ÆÇÃGHÈÉᑮcopy᪀⌼ᦪj=̤¥ÍẈstructTeachar(charname[64];intage;º±ᵨe ¨Ạª« ªÅ{ÆÇÃGHÈÉᑮcopy᪀⌼ᦪj=̤¥ÍẈstructTeachar&OpTeacher(structTeachar&tl)
739ᢣ┐ᵨ#include"iostream"usingnamespacestd;structTeacher(charname[64];intage;);intgetTe(Teacher**myp)(Teacher*p=(Teacher*)malloc(sizeof(Teacher));if(p==NULL)(return-1;)memset(p,0,sizeof(Teacher));p->age=33;
74*myp=p;//return0;)ᢣ┐Ḅᵨ9ÏintgetTe2(Teacher*&myp)(mypk(Teacher*)malloc(sizeof(Teacher));myp->age=34;return0;}voidmain333()(Teacher*p=NULL;//getTe(&p);getTe2(p);printf("age:%d
75",p->age);system("pauseH);2ᵨÐ☢ÒÓᐭconstᵨ
761ᵨQRᓄconstᵨÖὃcostint&a=bPKconstint&a=10;????æ⚪gconstᵨᙠC++çèconstᵨconstType&name=vargconstᵨ)QRéᨵ-êëឋᫀí1gintmain()(inta=10;constint&b=a;//int*p=(int*)&b;b=11;//err*p=11;-ᵨᢣ┐ᩭᦋQ7cout<<zb--->zz<77z,a);printf("b:%d
78”,b);printf&a);printf(&b:%d
79&b);,system("pause");return0;}
80ᫀ 2 voidmain41()(inta=10;constint&b=a;const'ᵨ)ᵨ*+a,-ᓄa=11;//b=12;01'ᵨ2ᦋa,4•672ᦋ68system("pause");)structTeacherl(charname[64];intage;);voidprintTe2(constTeacherl*constpt)()“const'ᵨB*+(ᡠᢣᑁFGH)IᨵKLMឋ
81voidprintTe(constTeacherl&t)(//t.age=11;)voidmain42()(Teacherl11;tl.age=33;printTe(tl);system("pause");)21ᵨ2☢%3%45ᓄconst*ᵨQὃ 1ஹᵨ*+4const'ᵨ,-ᓄconst'ᵨᑖUᑁFGH8ᔩW2ஹᵨX+4const'ᵨ,-ᓄconst'ᵨᑖUᑁFGH8ᔩWvoidmain()(constintb=10;printf(z/b:%d/z,&b);//int&al=19;\6]const^_ᜫaconstint&a=19;printf(z&a:%d
82&a);
83system("pause");)3bᔠᫀ voidmain()(d0'ᵨinta=10;int&b=a;X+'ᵨ B*+'ᵨKLMឋconstint&c=a;X+'ᵨ,-ᓄᑖefg//Iᵨ*+,-ᓄX+'ᵨ(intx=20;constint&y=x;printf(ny:%d
84y);)//2ᵨX+,-ᓄX+'ᵨ(int&m=10;'ᵨhᑁFGHḄjkl☢+10nᨵᑁFGHnᨵopq'ᵨ
85constint&m=10;)cout«nhello..."«endl;system("pause");return;3const'ᵨrs1 Const&intetuvconstint*conste2 d0'ᵨtuvint*constel3 u)ᵨX+wl☢+x4const'ᵨyz,-ᓄ{C++^_ᘤ}eX+~ᑖUGH'ᵨkeGHḄjk4 )ᵨl☢+4const'ᵨ,-ᓄᡂKL*+4const2⛲5bᔠint&j()(staticinta=0;returna;)
86int&g()(inta=0;returna;}intmain()(inta=g();int&b=g();j()=ioprintf("a=%d
87"a);/printf("b=%d
88"b);/printf("f()=%d
89"f());zsystem("pause");return0;)7C++4CḄᦪ1inlineᑁὶᦪC++ḄconstX+Xᦪ constintA=3;¡#defineA3C++hᔲᨵ£¤oᫀṹᱏᕖW(ṹᱏ¨©ªḄ«ᵨ¬)C++)ᵨᑁὶᦪṹᱏ
90C++)ᵨinlineᐵ°l±²ᑁὶᦪᑁὶᦪ±²{inlineᐵ°l³´µᦪrᔠᙠ7ᔲᑣ^_ᘤ}¸¹ºᶍᑁὶ¼½ᣚµᦪÀᵨÁj#include"iostream"usingnamespacestd;#defineMYFUNC(a,b)((a)<(b)?(a):(b))inlineintmyfunc(inta,intb){returna91",a);printf("b=%d
92",b);printf("c=%d
93"c);zsystem(npause");
94return0;Ʋ1:³´inlineintmyfunc(inta,intb)µᦪÇḄÈÉ,ᑏᙠᙽƲ2C++^_ᘤᦪyzᑁὶ^_ÌC++^_ᘤᑁὶ^_ḄᦪÍqᑁὶᦪᑁὶᦪᙠᨬÏᡂḄṹhnᨵḄC++^_ᘤ¸¹ᦪÇÐᐭᙠᦪÀᵨḄᙢoᑁὶᦪnᨵd0ᦪÀᵨ{ḄÓÕ├(×᪘ÙÚÛÜ)Ʋ3 C++^_ᘤ6ÝÞᦪḄᑁὶ¼½¬Æ²4ᑁὶᦪhgᱯàḄᦪᐹᨵd0ᦪḄᱯâ(ãᦪäåÛÜæç)ᑁὶᦪh4^_ᘤḄg¼½èé^_ᘤêëìg¼½ᑁὶᦪᵫ^_ᘤᜐᳮ¸¹^_ḄᦪÇÐᐭÀᵨḄᙢoṹᱏᵫ⚜ᜐᳮᘤᜐᳮyzñᓫḄᦻôᣚnᨵõö^_1Ʋ5 ÉC++^_ᘤê÷yz^_øᓄèéùᦪᓽ)nᨵinline±²ûêÌ^_ᘤᑁὶ^_üùÉC++^_ᘤýþ8ÿ ᦪᑴᑁὶg++Ḅ_attribute_((alwaysjnḄe))ឋ6C++ᑁὶḄ▲ᑴᙠ Ḅ!"#ᙠ$%Ḅᩩ'ᑨ)"#
95ᦪ+$,-ᜧᦪ/ᙬ12ᦪᑁὶ345ᙠ6ᵨ"#89ᘤ,ᑁὶᦪḄ▲ᑴ;<=Ḅᑁὶᦪ>,?@ᦪḄABC<ḕEFᦪ6ᵨGH᪘JKLMNḄO├RSTᦪ+ḄO├Vᜧ,H᪘JKLMNᡠᵨḄO├GXYᑁὶZ[\]^_1)ᑁὶᦪᙠG`aZᦪ+bᐭᦪ6ᵨḄᙢe2)inlineC96*/nopᦪvoidprintAB(intx=3)(printf("x:%d
97",x);)ᙠnopᦪᑣ¥nopᦪ¦§XY¨©Ḅ£45ᨵnopᦪvoidprintABC(inta,intb,intx=3,inty=4,intz=5)(printf("x:%d
98",x);)intmain62(intargc,char*argv[])(printAB(2);printABf);system("pause");return0;3ᦪᓰ«pᦪ/*ᦪᓰ«pᦪ
99ᓰ«pᦪCᨵpᦪ¬3®xᨵpᦪ¯3f°±²³ᙠᦪ+ᑁ[ ¢ᵨᓰ«pᦪ*/intfuncfinta,intb,int)(returna+b;}intmain01()(func(l,2);qrᔩµprintf("func(l,2,3)=%d
100",func(l,2,3));getchar();return0;4nopᦪLᓰ«pᦪqrZᓰ«pᦪ¶nopᦪ^ᔠ¸ᩭ¢ᵨ\]srº»Ḅ½ᶇ³¿À
101ÁÂC"ú»q¦§Ḅᑏ */C++qr3ᓰ«Æpᦪᓰ«Æpᦪf°ᵨ,º»½LC~ṹḄÁÂintfunc2(inta,intb,int=0)(returna+b;)voidmain()(¥nopᦪLᓰ«pᦪᙠf¸£6ᵨ¸ᩭfunc2(l,2);func2(l,2,3);system("pause");^_¥nopᦪLᓰ«pᦪᙠf¸£6ᵨ¸ᩭ5ᦪÈÉ(Overroad)ᦪÈÉᭆË1ᦪÈÉᭆËᦪÈÉ(FunctionOverload)ᵨÌfvᦪ¯j]ÌḄᦪTᦪ¯LÌḄpᦪÍÎGᦪḄÏ]Ì2ᦪÈÉḄᑨ)᪗Ñ
102ᦪÈÉÒÓÔÕ³☢Ḅfvᩩ'pᦪvᦪÌpᦪ¬ÌpᦪÖ»Ì*/3ᦪMNw<ᦪÈÉḄᑨ)᪗Ñ×Ø16ᵨ±²ᑖ᪆Ú×Ø2ᑨ)᪗ÑÛvÜÝÈÉᦪLnoᦪpᦪÞÍÈÉᦪLᦪᢣ┐/*intfuncfintx)(returnx;}intfunc(inta,intb)(returna+b;}intfunc(constchar*s)(returnstrlen(s);
103intmain()(intc=0;c=func(l);printf("c=%d
104”,c);c=func(l2);zprintf("c=%d
105"c);/c=func("12345");printf("c=%d
106",c);printf("Pressentertocontinuegetchar();return0;)*/
107ᦪÈÉḄ6ᵨÑᑣᘤ6ᵨÈÉᦪḄÑᑣZᡠᨵ̯ᦪ2s⌱ὅãäåæqḄ⌱ᦪçèᓛÎ×p@$nopᦪᓛÎ×p@$no¬KᣚᓛÎ×pᓛÎᜫìᨬîåæᑮḄq⌱ᦪðfᑣ¦§ñ]ឋᜫì[ ᓛÎᡠᨵ⌱ὅᦪòj]ᜫìᦪÈÉḄó\ô⚗ÈÉᦪᙠö÷ø<>ùúûḄÌᦪü☟ÿ ᦪḄᦪḄᦪᦪḄᦪᵫᦪᦪᑡ⊤Ḅᦪ ᙠ!"#☢ᦪ⍗&ᦪ'(ᦪ*ᦪ'(ᦪ⍗&ᦪ+ ,-
108intfunc(inta,intb,intc=0)returna*b*c;)intfunc(inta,intb)(returna+b;)//I!ᦪḄᐕ/ᔩintfuncfinta)(returna+b;intmain()(intc=0;c=func(l,2);1ᙠ23ឋ56ᵨᜫ95 :;<
109printf("c=%d
110"c);zprintf(nPressentertocontinuegetchar();return0;}7ᦪᦪᢣ┐@ᔠᦪBᦪᢣ┐*CᵨᦪDᦪᢣ┐EFGH᪷Jᑣᢧ⌱Bᦪᢣ┐ᦪᑡ⊤NḄ⌱ὅQRᓛT⌱ὅḄᦪBᦪᢣ┐Ḅᦪ*//*intfuncfintx)//intfinta)(returnx;intfuncfinta,intb)
111returna+b;intfunc(constchar*s)(returnstrlen(s);)typedefint(*PFUNC)(inta);//int(inta)intmain()(intc=0;PFUNCp=func;C=Pপ=printf("c=%d
112"c);zprintf("Pressentertocontinuegetchar();return0;)*/
113&ᦪ@Aஹ@ᑏஹ@D,UVWX8▬Z▬Z1C++[\DC[\ᐙ_`ḄabᐹddeᙠCFGᙽIJḄKL/*ExplanationSentence*/ḄMẠOC*+FGQRSTUVḄᓫXIJKLY//ExplanationSentenceᓽᵨ⊤\I]5^_`(aᑮcdXefḄᡠᨵ2ijklmIJopqᓫḄrsY/*t☢Ḅuvwx^1ᑮ10Ḅᦪez{|ᙠ$%swn}*/sum=0;$%sum4)(mfor(i=1;i<=100;i++)( ]5sum+=i//i
1142.ᮣḄ$%ᙠḄCFG}$%Ḅ}ᙠXṹḄd☢ᦪFXFḄᔠ*┯.¡ᙠC++}¢£ᙠuṹᙽḄ¤¥ᙢ §X$%Ḅ.¨t☢ḄᔩᙠcFG}«¬ḄᙠC++FG}ᓾ¢£¬3¯X.for(inti=1ti<=100;i++)y°᪵²Ḅ³ᜐ1$%ḄD,µḄ1ᵨ}ᙠT+,T¶Sᯠ3.¸¹Ḅ&ᦪºC++»¼SCFG&ᦪº½+qᓄḄ L°Uqᓄ¾¿CFGu┯Ḅ᪷ÁC++FG⌕ὅm&ᦪQRÄḄºᒹÆᐰÈᦪḄÉÊ)Ë.rᨵ2iÌÍÎÏpÈᦪஹÉÊ)Ḅ&ᦪ3ºÐ_ᑏmYintf(char,double);¡CFG}ᐕ¾°pºᑏᡂ/()=".ᙠ&ᦪº}ÈᦪÓ¢ᨵ¢ÔÕÖ¢£&ᦪD,}ḄÈᦪÓ«T×.4.ØS&ᦪ@AÙᑴ@AuFG⚞ÜḄ@⌕ᭆÞ3ßFG}ᨬᐺḄrs“+ஹ-ஹXஹ/“ãᔜUåæ¯åiḄ@A°çi袣éêᵨᩭ⊤\¿UᦪìíḄ¯î°UTpÓ2ᡈ1pièñò¿@+,Ḅóôõö@A.C++FGØSCFGᡠ÷ᨵḄ&ᦪ@AÙᑴ.Tp&ᦪÓ¢£øù¿p&ᦪD,ú⌕°çD,¢£ûüÈᦪpᦪᡈḄ«éýþ]ᩭᓽ¢.C++ÿᐕ⚜ᐜḄḄ.᪵Ḅ ᙠ !"Ḅ#$%&'%()ᑏ+ᩭ-./ᯠ.5.1ᦪ3ḕ5ᦪC++ᐕ1ᦪᨵ3ḕ5ᦪ.ᡠ83ḕ ᢣ1ᦪ:ᵨ&<=>?@A▭Ḅ5ᦪC.D☢ FGᨵ3ḕ5ᦪḄ1ᦪḄAHIintf(inta,intb=l)(returna*b;}J1ᦪ:ᵨf(3,1)Kf(3)LMNO᪵ḄPQ.8,Rᐭ/R@UVᑴC++YZ[C]^᪗`aᔜcRᐭ/R@1ᦪdefg[FᝅḄRᐭ/R@Vᑴ-FUVᑴkᔣ᪗`R@R@FGnoIcout«"C++isbeautiful!ᡈὅᵫ᪗`RᐭsFGᦪu?#$ainta;cin»a;U)Rᐭ/R@vwx᪷z#$!"/{|ᦪz}ᣚḄᣚ-)<=>ு”Ḅᡃ-.[ὅ/!"ḄᦪzḄRᐭ/R@
1159.ᵨ▲%IIᵨ▲%IIᵨᵨḄO#$.HᙠD☢ḄHᡃ<=ᑭᵨIIAᙠ#$ᵨᑁᐰ#$.#includeᦪ ?@( ᘤ 5ᑮᑁ , CPLBCDᑁ ᡭF⍝!,⌕IJḄKL:%&'NOḄ ᜧP,C@QR ᯠ7NOḄFSḇ T( ᘤU!VW X NOYZ[K\ḇ]^ᨵ`a%&' K\CPUb]cᨵde( ᘤ fgḄCPUhᨵ( ᘤḄᦪiK᪵
116kᖽ⌕!mno1pqrk1p( ᘤᐸtKᙽKᙽ%Ḅ vwx y@ᐸ 91p⌕zᑁ {|e}~ᐜ|ᨴ XCPUd CPUKP"ᑮᦪ * zᙠᜧḄKᙽᑁ ,\ᙢᙬḄᦪ {e*ᨵᯠX1p{ ᡃḄᑁ ᦋᡂ( ᘤ|*ᕑᡃ⌕IḄᨵqஹregister¥⛲§ᨩ©ª«¬®Ḅ¯i°±⚣³ᙢ´ᵨ ·]^Ḅ¸ ®°ᐸ¹ ᙠCPUḄ( ᘤº c»{ᐸ v1p¼☢Ḅᑁ ᙽ¾¿Àṹ ttifdefNOSTRUCTASSIGNmemcpy(d,s,1)(registerchar*d;registerchar*s;registerinti;while(i-)*d++=*s++;}ttendifßஹ´ᵨregister¥⛲§ḄàáLT´ᵨregister¥⛲§ᨵâL▲ᑴ✌ᐜ register¯iæç^±CPUᡠCéḄêf!?ëáᕡḼregister¯iæçK\ᓫ\Ḅï ðñòp®ó%ᡈὅöfḄòp@ ᨵaøᘤḄ( ᘤb^ 5ùLᦪᐸú rkregister¯i]^ 5ᙠᑁ º ᡠc^ᵨᩭû9register¯
117iḄᙢᙬᵫ( ᘤḄᦪiᨵ▲ ýña( ᘤy^Céᱯÿ Ḅᦪᢣ┐ᦪᵨḄregister⛲Ḅᦪ Ḅ!ᘤ#$%&'Ḅregister⛲()*+ ᡠ-ᶍᙠ123456789:ᙠ;:ᘤ<=#>?@ Ḅ ABC)ᓰᵨḄ;:ᘤEFGᵨ ᐸIḄJᡈὅ78)MᵨḄNᦪEO&EPQRᐭ:T78ᡠUᩭḄWY├[\ḄC*+ E>6789:ᙠ;:ᘤ<◀^_`aIb᪵dberegister⛲fCghḄijkᨵmnḄ⊡ᐙᯠ#rḼ*+ tuᢈwḄxyᙠz{|278}~):ᑮ;:ᘤ-ᶍregister⛲CIᐰᔠIfᨩ#Ef`a9ᓄ1ᩖᦪ ᵨdᦪᦪᑖ᪆ᑁ:¤¥7ᓄ¦2§ṹiª3tui« ¬ᙊ®Ḅᕜ°4tui«±² ,´ឋᨵ¶·±¸,¹Qº¶·±¸»n¹Q¼±²Ḅ¶·±¸
118
1192ஹ ¾¿1^C++±ÀᢈwÁÂ᪗ẆÅC++*+ᘤᳮ ¾¿ḄÇ===ÉÊËÌÍC++*+ᘤ¾ ¾¿Ḅ²`ᕜ\ᳮ¾¿ÎÏஹMᵨஹ├ÐC++☢ᔣ¾¿ÓÔÕC++☢ᔣ¾¿&×ᳮÕÅØÙÚC++ÛẠÝ ±ÀÞQßᨵàᨵi«᪗áᩭᑨãäåᨵàᨵᐭæ☢ᔣç¿ èé* C++☢ᔣ* êëìᐹ..☢ᔣç¿ * ☢ᔣèé/ðñᑖò
1202 ¾¿2.1Ûôᭆö1 ஹ¾¿ஹᡂᕒ78ஹᡂᕒᦪ2 ☢ᔣ¾¿øᜧᭆöúRஹûüஹ&3 * ý Ḅ{þ¾¿Ḅ{þ¾¿ḄMᵨ¬ᙊ®Ḅ☢ÿ TeacherᡭᓺTeacherḄḄḄᑖ2.2Ḅ1 Encapsulation A ☢ᔣ ᨬ!Ḅᱯឋᦪ&'ឋ(ᦪ)*ᔠᡂ-.01ᙠ 34567ᵨ9ḄB :;<ᱥᡂ>Ḅ?@ABCDḄᦪ&EFGHAḄᡈὅ)*KAḄLM◚Oᜓ:ᨵ2 ឋឋᑴC++7ḄᡂᕒQRC++7ᵨS⊤U'ឋḄQRᡂᕒ(ᦪC++7ᵨS⊤UMVḄ(ᦪ2ᡂᕒḄWXYᑴᙠC++7AB[ᡂᕒQRᡂᕒ(ᦪ WX\]Public^⛲ᡂᕒQRᡂᕒ(ᦪABᙠḄᑁaḄacWXPrivate^⛲ᡂᕒQRᡂᕒ(ᦪGdᙠḄᑁacWX
121'ឋEFfgLMWXYᑴḄᑁaḄaᡃi>j-.ᵨk -.ᦪ&l>Ḅ-.ᐹ0ḄQRᓰᵨᑁopqclassCircle(public:doubler;doubles;public:doublegetR(){a++;returnr;)voidsetR(doubleval)(r=val;)public:doublegetS()rstudgᙠ^ᦋ^ᦋ7Ḅ'ឋᡈὅEFs=3.14f*r*r;
122returns;)//private:inta;3 structclassᐵxyz]ᙠᵨstruct gᡠᨵᡂᕒḄ}~'ឋVpublicᙠᵨclass gᡠᨵᡂᕒḄ}~'ឋVprivate2.3C++☢ᔣ ᪗☢ᔣᔣ☢ᔣQὅ⌕0qḄᐵ?〉ᫀ1 E0cube ,E0Ḅ☢0.E0ᔲ¡¢ᐰ¤(ᦪᡂᕒ(ᦪᫀ2 *.ᙊ§AdvCircle ,-.¨Point , 3¨ᙠᙊᑁa©ᙊᓽ¨ᙊḄᐵᙊᑁᙊᫀ3S«¬.ᫀḄḄᑖ
1232.4**1®ᑏC++ °ᡂB±ud1 -.Pointᐸ'ឋᒹ´¨Ḅᙶ᪗¶ 3¨q·¸ḄEF¹2 -.ᙊ§ᐸ'ឋᒹ´ᙊº»¼3 ½¾.ᙊ§UᵨᡝÀᐭᙊºᙶ᪗»¼ᑨÃ.ᙊᔲ¡Ä?ÀÅÆ*2 ?ÇÈ-.ÉVRectangleḄʧᐸ'ឋVʧḄ˱Ì9ÍÎÌ.¨Ḅᙶ᪗᪷&ᙶ᪗d 3ʧḄ☢*3 -.TreeᨵᡂᕒagesÑᡂᕒ(ᦪgrowintyears agesÒÎyears,age ÓUtreeḄagesḄÔ
1243Ḅ᪀⌼᪆᪀ØÙ½¾-.gÚÚ◤⌕*ÜÝÞᓄḄà*ᦪ&ᡂᕒâÔãäḄᦪ&ᡂᕒKdᙠgÞᓄḄVjåæ1.X⚪C++®èᘤ¶j᪀⌼(ᦪ(constructor)ᩭᜐᳮḄÞᓄ᪀⌼(ᦪ-íᱯîḄᡂᕒ(ᦪ9ᐸïᡂᕒ(ᦪKfK◤⌕ᵨᡝᩭðᵨñòᙠ¾gCóM3.1᪀⌼᪆᪀(ᦪ1᪀⌼(ᦪ᪆᪀(ᦪḄᭆöᨵᐵ᪀⌼(ᦪ1᪀⌼(ᦪ ÷ðᵨ1)C++7ḄAB 9É¡fḄᱯîᡂᕒ(ᦪ1í9É¡fḄᡂᕒ(ᦪøù᪀⌼(ᦪ¹2)᪀⌼(ᦪᙠ gABᨵúᦪ¹3)ûᨵüýþÿ Ḅ2᪀⌼ᦪḄᵨᵨC++ᘤᵨ᪀⌼ᦪᵨᙠᑣ◤⌕ ᵨ᪀⌼ᦪᨵᐵ᪆᪀ᦪ3)᪆᪀ᦪ"#$ᵨ1)C++%Ḅ &'"#(ᱯ*Ḅᡂᕒᦪ-ᳮ/012(ᱯ*Ḅᡂᕒᦪ34᪆᪀ᦪ56~ClassName()2)᪆᪀ᦪ7ᨵ8ᦪ97ᨵ:;<= Ḅ
1253 ᪆᪀ᦪᙠ/0├?@Aᵨ4 ᪆᪀ᦪᵨBᑴC++ᘤᵨDṹFGdm01_᪀⌼ᦪḄHẠ,cpp2C++ᘤ᪀⌼᪆᪀JᫀPK/0LGMNᓄJᫀPQ᪀⌼ᦪR᪆᪀ᦪḄST☢ᔣ/0ḄWXYZ[\%ᩭ1Bஹ_`ᔆ@1Y᪵Ḅ[\%cᙠḄ/0dYAMNᓄefghḄiMNjY/0lmcᙠḄ(jḄlnJᫀop( dqr(publicḄinitializeᦪi/0steuᓽᵨinitializeᦪwxMNᓄyz{ᑖ᪆1 initialize}Y(lnḄᦪ1~LGḄᵨ2 ᵫᜫḄST1/07ᨵMNᓄ1Y"Ḅ7ᨵMNᓄḄ/01ᐸᑁᡂᕒḄY"Ḅ3 ᐰ⚪o/0◤⌕MNᓄᨵ᪵ḄMNᓄJᫀ#include"iostream"usingnamespacestd;/*Wὃo◤⌕MNᓄ☢ᔣ/0WXᩭ[\1Bஹ_ஹᵯ¡¢1`ᔆ@ᨵMNᓄ£᪵wxMNᓄ?
126Jᫀ1:LGᵨJ6z{᧕¦ஹ§¨iLGᵨinit,ᐰ⚪7classTest21(public:intm;intgetM()const{returnm;}voidsetM(intval){m=val;}intn;intgetN()const{returnn;}voidsetN(intval){n=val;}public:intinit(intm,intn)(this->m=m;this->n=n;return0;)protected:private:
127);intmain()(intrv=0;Test21tl;©8᪀⌼ᦪḄᵨJ6Test2112;//tl.init(100,200);//t2.init(300,400);cout«tl.getM()«""«tl.getN()«endl;cout«t2.getM()«""«t2.getN()«endl;"#/0ᦪª@17ᨵBwxLGMNᓄTest21arr[3];//Testarr_2[3]={Test(l,3),Test1Test()};system("pause");returnrv;3.2᪀⌼ᦪḄᑖ $ᵨC++ᘤ«¬ᕒqrḄ/0MNᓄJᫀ1®¯ᜧ±g³ᨵ8ᦪ᪀⌼ᦪḄ´µᵨJ6
128classTest(private:inta;intb;public:©8ᦪ᪀⌼ᦪTest()(>}¶8ᦪḄ᪀⌼ᦪTest(inta,intb)(>}·᪀⌼ᦪTest(constTest&obj))
129public:voidinit(int__aint_b)?(a=_a;b=_b;)}i1©8ᦪ᪀⌼ᦪᵨJ6Testtl,t2;2ᨵ8᪀⌼ᦪᨵ8᪀⌼ᦪḄ´µᵨJ6ᨵ8ᦪ᪀⌼ᦪḄ´µᵨJ6classTests{private:inta;public:¶8ᦪḄ᪀⌼ᦪTest5(inta)printf("
130a:%d",a);
131)Test5(inta,intb)(printf("
132a:%db:%d",a,b);)public:)iintmain55(){Teststl(10);c++ᘤ¸¹ᵨᨵ8᪀⌼ᦪº»6Test5t2=(20,10);c++ᘤ¸¹ᵨᨵ8᪀⌼ᦪ¼»6Test5t3=Test5(30);¬ᕒ ᵨ᪀⌼ᦪ¡[½(/0¾¿ᵨ᪀⌼᪀⌼ᦪ6system("pause")ireturn0;)3ÀÁ᪀⌼ᦪᵨ@B·᪀⌼ᦪḄµᵨÃÄ(ᵨ@B)Ç1RÇ2(ᵨÃÄ#include"iostream"usingnamespacestd;
133classAA(public:AA()©8᪀⌼ᦪ¸¹᪀⌼ᦪ(cout<<"ᡃY᪀⌼ᦪ1Aᵨ½"<134",a);)
135protected:private:inta;};ᓫÎÏt(ÐÑvoidObjPlay01()(AAal;"#·᪀⌼ᦪḄÇ(ÒᵨÃÄᵨ/01MNᓄ/02AAa2=al;"#ÓMNᓄMNᓄ6a2=al;ᵨalᩭ=»«a2ᘤ«ᡃÕqrḄÖcopyÇ×(ÒᵨÃÄᓫÎÏt(ÐÑvoidObjPlay02()(AAal(10);"#·᪀⌼ᦪḄÇ(ÒᵨÃÄᵨ/01MNᓄ/02
136AAa2(al);"#ÓMNᓄº»6a2=al;ᵨalᩭ=»«a2ᘤ«ᡃÕqrḄÖcopya2.getA();)ØÙMNᓄÚÛR¼»ÚÛYÜ(ÝḄᭆßÇ3(ᵨÃÄ#include"iostream"usingnamespacestd;classLocation(public:Location(intxx=0,intyy=0)(X=xx;Y=yy;cout«"ConstructorObject.
137";)Location(constLocation&p)àᑴ᪀⌼ᦪ(X=p.X;Y=p.Y;cout«"Copy_constructorcalled."«endl;}~Location()
138cout«X««Y«"Objectdestroyed."«endl;)intGetX(){returnX;}intGetY(){returnY;}private:intX,Y;}i//alt+f8᱐voidf(Locationp)(cout«"Funtion:"«p.GetX()««p,GetY()«endl;}voidmainobjplay()(LocationA(1,2);ã8Y(ᐗå1ᦪᵨ1xç8MNᓄã8f(A);)voidmain()(mainobjplayO;system("pause");
139Ç4(ᵨÃÄÇÂ(ÒᵨÃÄftindude"iostream"usingnamespacestd;classLocation(public:Location(intxx=0,intyy=0)(X=xx;Y=yy;cout«"ConstructorObject.
140";)Location(constLocation&p)àᑴ᪀⌼ᦪ{X=p.X;Y=p.Y;cout«"Copy_constructorcalled."«endl;}-Location(cout«X«""«Y«"Objectdestroyed."«endl;z)intGetX(){returnX;}intGetY(){returnY;}private:intX,Y;)i//alt+f8᱐
141voidf(Locationp)(cout«"Funtion:"«p.GetX()««p.GetY()«endl;}Locationg()(LocationA(l,2);returnA;)/0MNᓄÚÛR=¼»ÚÛYÜ(ÝḄᭆßèé/0ḄêRᶇ1ᐵìí1<=@;¿voidmainobjplayO(ï<=Ḅèé/01ð«Ê(Ý Ḅ/01èé/0A᪆᪀//LocationB;B=g();ᵨèé/0·«B/01ᯠeèé/0᪆᪀ï<=Ḅèé/01ᩭMNᓄÊ(Ý Ḅ/01èé/0¾¿òᡂóḄ/0LocationB=g();cout<<"õö÷ᙢùúû"üendl;
142voidmain()(mainobjplay();system("pause");}᪘ᵨa¤¥¦[FG§objplay3()ᵨḆª«¬ᓄmJ&c++®ᘤ°±²/ᡂ■.//(ᢄ·)¹ºᡂᨵn[ Locationm-g();printfL»¼½ᢄ·>¾᪆᪀Á
143").cout<<».GetX0<144").cout<1452 2᪀⌼ᦪC++ᘤ3./0ᦪ᪀⌼ᦪ3 2,4Ḅ5᪀⌼ᦪ6ᓽ82ᨵ0᪀⌼ᦪᡈ/0᪀⌼ᦪ:C++ᘤ3./0᪀⌼ᦪ4 ᪀⌼ᦪᡂᕒ!"ᓫ;#<=8>⌕@ᑏ2᪀⌼ᦪBC@DEᵨ᪀⌼᪆᪀▤Iឋ<=1 ᪀⌼ᦪKC++ᵨLMNᓄPQRḄᱯUᦪ2 ᪀⌼ᦪᙠPQWXYZ[&ᵨ3 ᪀⌼ᦪ1\]ᡂᕒᦪ^⍳`ab(ᑣ4 ᪀⌼ᦪKPQcdMNᓄḄa⌕ef5 D⌕ḄDEhiᑏ᪀⌼ᦪ========k1PQḄMNᓄlm2noᫀq3.4r1s>$ᑴ᪀⌼ᦪuvmᡂPQḄᦪwᡂᕒ#ᓫḄ$ᑴ>PQḄᦪwyzKᵫᢣ┐ᢣ~Ḅᚮ$ᑴ᪀⌼ᦪᢣ┐#$ᑴ1s⚪1ᑖ᪆rsQḄ2sC++Ḅ~copy᪀⌼ᦪ~ab=3ᵨᘤḄscopyclassName
146public:Name(constchar*pname)(size=strlen(pname);pName=(char*)malloc(size+1);strcpy(pName,pname);)Name(Name&obj)(ᵨobjᩭMNᓄYpName=(char*)malloc(obj.size+1);strcpy(pName,obj.pName);size=obj.size;}~Name(){cout<<"N᪆᪀"<147)voidoperator=(Name&obj3)(if(pName!=NULL)(free(pName);pName=NULL;size=0;)cout<<"ᨵᨵ&ᵨᡃooo"«endl;ᵨobj3ᩭ=YpName=(char*)malloc(obj3.size+1);strcpy(pName,obj3.pName);size=obj3.size;)protected:private:char*pName;intsize;)
148PQḄMNᓄ1PQK3¡Ḅᭆ£voidplayObj()(Nameobjl("objl.....");Nameobj2=objl;//obj2WX¤MNᓄNameobj3("obj3...");ab¥obj2=obj3;cout<<”§¨05000"«endl;)voidmain61()(playObj();system("pause");
149᪘ᚮvoidobjplaymain0(Nameobj1("abcdefg");//Nameobj2ãobj1;C++®ᘤfgḄäåḄcopy᪀⌼1ᦪçèéNameobj3(zobj3z/);obj3=objl;//C++®ᘤfgḄêëìíçèé)
1503.5ÆPQ᪀⌼1᪆᪀1PQMNᓄᑡ⊤1)PQMNᓄᑡ⊤1.DEÉ᪵Ë8ÍᡃÎᨵᡂᕒÏÐÑKᡈὅK=᪀ÓÔÉᡂᕒÏ>ᨵÕ0ᦪḄ᪀⌼ᦪᨵ᪀⌼ᦪÉ⌕PÉᡂᕒ MNᓄÖDE&ᵨÉᡂᕒḄÕ0ᦪḄ᪀⌼ᦪÍᨵMNᓄᑡ⊤BC×Ø/mᡂÙÚÖ.Û┯2ஹᡂᕒÞᨵconstß⛲DEᙠPQMNᓄḄáconstintm;#ᡂᕒâᨵconstPQᡈὅKãᵨ×ÎäDE⌕]åᡂᕒMNᓄᑡ⊤ MNᓄ ÉæPQ⌕ᙠçèéêëMNᓄÓᙠ᪀⌼ᦪËḄKP×ÎḄ;#É᪵K3[ᐕíḄ2)C++MNᓄᑡ⊤Pᡂᕒ!" MNᓄî(ᑣConstructor::Contructor():ml(vl),m2(vl,v2),m3(v3)(//someotherassignmentoperation}3)ï4ᭆ£MNᓄ8[MNᓄḄPQcᙠWX;#8[;#ḄPQðñòᙠ
1514 ï48ᡂᕒ!"ḄMNᓄóôçèḄóõᐵôᙠMNᓄᑡ⊤Ḅó/ᐵMNᓄᑡ⊤ᐜL᪀⌼ᦪḄᦪø 1C++2MNᓄᑡ⊤Pᡂᕒ!" MNᓄ2ᵨMNᓄᑡ⊤81.DEÉ᪵Ë8ÍᡃÎᨵᡂᕒÏÐÑKᡈὅK=᪀ÓÔÉᡂᕒÏ>ᨵÕ0ᦪḄ᪀⌼ᦪÓᨵ᪀⌼ᦪÉ⌕PÉᡂᕒ MNᓄÖDE&ᵨÉᡂᕒḄÕ0ᦪḄ᪀⌼ᦪÍᨵMNᓄᑡ⊤BC×Ø/mᡂÙÚÖ.Û┯2^ᡂᕒÞᨵconstß⛲DEᙠPQMNᓄḄáconstintm;#ᡂᕒâᨵconstPQᡈὅKãᵨ×ÎäDE⌕]åᡂᕒMNᓄᑡ⊤ MNᓄ ÉæPQ⌕ᙠçèéêëMNᓄÓᙠ᪀⌼ᦪËḄKP×ÎḄ;#É᪵K3[ᐕíḄ7<=᪀⌼1᪆᪀Ḅ&ᵨó/include"iostream"usingnamespacestd;
152classABC(public:ABC(inta,intb,intc){this->a=a;this->b=b;this->c=c;printf(”a:%d,b:%d,c:%d
153"a,b,c);zprintf("ABCconstruct..
154");)úABC()(printf(”a:%d,b:%d,c:%d
155",a,b,c);printf(“úABC()..
156");)protected:private:inta;intb;intc;)
157classMyD(public:MyD():abcl(l,2,3),abc2(456),m(100)//MyD()(cout«"MyD()"«endl;)úMyD()(cout«"~MyD()"«endl;)protected:private:ABCabcl;c++ᘤ3ûII⍝-᪀⌼abclABCabc2;constintm;)intrun()
158MyDmyD;return0;)intmain__dem03()(run();system("pause");return0;3.6᪀⌼ᦪ1᪆᪀ᦪḄ&ᵨóẆ+᪀⌼ᦪô᪆᪀ᦪḄ&ᵨó1 ᨵᡂᕒ!"KᐸÏḄPQ✌ᐜ&ᵨᡂᕒ!"Ḅ᪀⌼ᦪ&ᵨóôçèóõ¡é&ᵨYÑḄ᪀⌼ᦪ2 ᪆᪀ᦪḄ&ᵨóôPÿḄ᪀⌼ᦪᵨ3.7᪀⌼ᦪ᪆᪀ᦪᔠᡠ ᩭ1᪀⌼᪆ᔠdemolO—᪀⌼᪆᪀ ᓄ.cpp!"#$%&ᑖ᪆()*+,᪀ᦪḄᵨ
1592-./0 ᓄdemolO—᪀⌼᪆᪀ ᓄ.cpp1 -./012ᕜ42 -./0Ḅ5ᶇ3-./0 ᓄ3 ᪀⌼7ᵨ᪀⌼demoll_-./0 ᓄ.cpp᪀⌼ᦪ7ᵨ᪀⌼ᦪ89:;<Ḅ=>3.8/0Ḅ@BCDE1newdeleteFGHI1 ᙠKLMN(7OO◤⌕@ᙢᑖST├ᑁWXYZ/@\⊤7^Ḅ_ᐭaᑤ◀ᙠCHd78ᑭᵨfᦪmallocfreeᩭᑖST├ᑁWXYḄC++ghijklmnoj Ḅpqrnewdeleteᩭstmallocfreeᦪ)*unewdelete8pqrv8ᦪwx=ᦔ᳛|2 }ᯠ>iaCHdC++ᶇmallocfreeᦪBᵨᡝvᵨmallocfreeᦪmᵨnewdeletepqrnewpqrḄZunewint;M9:WEᦪḄWXY9:ᢣᔣWXYḄᙢᙬ!ᓽᢣ┐$newintlOO ;M9:WEᦪḄXYᢣᦪḄ,>100,9:ᢣᔣWXYḄᙢᙬnewchar[10];M9:WErᦪ!ᒹ10:ᐗ$ḄXY✌ᐗḄᙢᙬnewintমভM9:WE¡¢ᦪ!ᜧ¤>5*4 ḄXY✌ᐗḄᙢᙬfloat*p=newfloat3.14159 ;M9:WEᓫ¦§ᦪḄXYᢣ¨ᦪḄ,>//3.14159,©ḄXYḄᙢᙬ+ªᢣ┐«¬p3$newdeletepqrᵨḄ9®¯°>:
160>new%{ᑖðᚮᑁòóᵨô)Iᢣ┐«¬=new´¢!⁻¬$õᢣ┐«¬=new´¢¶⊤·■¹;ᵨ.•¹ᚮᑖðFᙽ“!"”ᜧùḄòúûüMN✌ᙢᙬᐸ:“,'ᓄḕᦪᢣ-delete ᑖ"Ḅᑁ%&'(ᵨ*+,deleteᢣ┐;delete ᢣ┐;ᐸ.•“ᢣ┐0”2345new67Ḅᢣ┐ᵨnewᑖSᦪXY»voᢣ,¼ᵫ¾ᑁWv¿ÀÁwmÂIÃOᑖSXYᑣnewÅ9:Xᢣ┐NULL,ᵨᡝÆÇ᪷Éᢣ┐Ḅ,ᑨËᑖSXY8ᔲᡂn4 ÎᵨÏZint*pl=newint;char*p2=newchar;float*p3=newfloat;int*p4=newint[4];deletepl;deletep2;deletep3;delete[]p4;2´/0Ḅ@BCDEᵨ´.ÐḄ/08☟Ḅᙠ(p=(7/0ᡠᓰḄXY8voÓ»D
161EḄᨵ»ÕÖ×Øᙠ◤⌕ᵨᑮ/0»ÚBC/0ᙠv◤⌕ᵨ/0»ÛT├ÜDEÜᡠᓰḄᑁWXYÇhÝḄᦪÉᵨÞ᪵Æg|ᑁWXYḄᑭᵨ᳛C++7ÆÇᵨnewpqr@BC/0ᵨdeletepqrT├/0àuBox*pt;Ð9:ᢣᔣBox´/0Ḅᢣ┐«¬ptpt=newBox;ᙠpt7WEiáB/0Ḅ âᙢᙬᙠ(7ÛÆÇptãäÞ:áBḄ/0cout«pt->height;åæ/0Ḅheightᡂᕒcout«pt->volume();ᵨ/0ḄvolumeᦪèqåæéêC++ëᐕíᙠ=new»/áBCḄ/0î=âᓄBox*pt=newBox(12,15,18);ÞïᑏI8ñ☢ó:Hô(Ðᢣ┐«¬ᵨnewBCá/0)ᔠ>9:Hôᢣ,Þ᪵÷¦øá/07Ḅheight,widthlengthᑖÝùú,12,15,18ᵨ/0ûÆÇ/0.üÆÇᢣ┐ᙠ=newpq»¼ᑁW¬v¿ÂIMᡠ◤ḄᑁWXYýþᜧÿᦪC++new0ᢣ┐⌕ᔲ0,ᑨᑖᑁ ᔲᡂ ANSIC++᪗!"#$ᙠ'new#(ᦑ*+$"-#""./”$ᵨᡝ᪷4./5'ᨵᐵᜐᳮ:C++᪗!;ᯠᐕ>ᙠ#(newᦑ*+0ᢣ┐?@$ABḄDnewᦑ*ḄᜐᳮEFABḄᙠAG◤⌕ᵨᵫnewJKḄDL+$MᵨdeleteNOPQMRSdeletept;RSptᢣᔣḄᑁ WXYZ├\ptᢣᔣḄDL^_`aAbGᵨcDLdᵨᢣ┐efptᐜ_ᢣᔣABḄhDL$jklᢣ┐efḄ?@ᢣᔣ$Mmᑤ┯\DLᙠ'deleteNOP+$ᙠRSᑁ WXp@$qhrᵨ᪆᪀uᦪ$vᡂᨵᐵᗐ_xᳮyz3`{|//Imallocfreeuᦪcᐵ}~//newdeletezPC++Ḅᐵ}~
162112.newᙠᚮᑖᑁ deleteᑖẠஹᑖᦪஹᑖDL//3newmallocᐭᑖ᪆ᵨஹ.BmallocArᵨḄ᪀⌼uᦪFreeArᵨḄ᪆᪀uᦪ4☟ᡂᕒefᡂᕒuᦪὃef$ᨵឋᨵᨵឋ$ᡠᨵDLᨵ¡4.1☟ᡂᕒef1¢£☟ᡂᕒef>ᐵ}~staticMᵨ¥¦§Ḅᡂᕒ$☟ᡂᕒ"¨\BDLḄᐳª«ᑴ>Ḅᡂᕒ¦§static+$Y®ᨵ¯°DL±²J$YDLᐳªYstaticᡂᕒ>☟ᡂᕒ³´¥$µADLᡂᕒ
163classX{charch;staticints;........}:intX::s=0;Xa.b.c.d;b,ch\c.chstaticints;______________d.ch¶#includeusingnamespacestd;classcounter(staticintnum;¸§¹¢£☟ᦪ4ᡂᕒpublic:voidsetnum(inti){num=i;}ᡂᕒuᦪº»☟ᦪ4ᡂᕒvoidshownum(){cout«num«'\t';})¼intcounter::num=0;¸§¹¢£☟ᦪ4ᡂᕒvoidmain(){countera,b;a.shownum();rᵨᡂᕒuᦪº»½ᨵ☟ᦪ4ᡂᕒb.shownum();a.setnum(lO);
164a.shownum();b.shownum();¾dM¿#$º»ḄB☟ᦪ4ᡂᕒ2)ᵨ☟ᡂᕒef//5 14 ᵨ ᨵ☟ᦪ#ᡂᕒ#includeclasscounter{public:counter(inta){mem=a;}intmem; ᨵᦪ#ᡂᕒstaticintSmem; ᨵ☟ᦪ#ᡂᕒ)¼intcounter::Smem=1;'()*1voidmain(){counterc(5);inti;for(i=0;i<5;i++){counter::Smem+=i;cout«counter::Smem«'\t';º»☟ᡂᕒefEF2
165)cout«endl;cout«"c.Smem="<☟ᡂᕒuᦪᦪÂMᐵ}~static>☟ᡂᕒuᦪ"¨AÃÄ¥ᦪ4᪀ḄᐳBz$µᨵthisᢣ┐>ᙠrᵨ☟ᡂᕒuᦪᵨ"Æ:"z▲¢É$ᡈËÌDLrᵨ2 ᫀ¶classX{intDatMem;public:staticvoidStaFun(inti.X*ptr):);voidX::StaFun(inti.X*ptr)(ptr->DatMem=i://-.}3 ᶧл⚪☟ᡂᕒuᦪÒ$AbᵨÓËef☟ᡂᕒef¥Ḅ$ᑖAxÕ$ÖᐹØDLḄឋ
166I"static8⛲Ḅ0:;<ᡠᨵḄ?ᐳAᵨluoidmain()HBBb1;BBb2;cout«b2.getC()«endl;;b1.setC(100);cout<167staticᡂᕒᦪcnonstaticstatic<ᡂᕒᦪnonstaticvirtual5.10Ạ23C++Ḅclass4☢ᔣ7ᳮ9:;<=>?ឋ@ᦪAB@C ᙠDEᵨGHI JKḄ4LMNḄOPQRSᯠᵫᦪVWṹV᪀ᡂC++Z[ᘤ^_ᡂ☢ᔣ7ᳮ9ᑮLMNQRḄaᓄcᣚef+C++Z[ᘤg^hᳮஹ7ஹ7ḄᐵiᐹkḄ&+ᐹk7lᵨḄABmC++Z[ᘤg^nᑖgmpᐹkḄlᵨqpABmcrὃDtQRuvinclude"iostream"usingnamespacestd;classClpublic:inti;//4intj;//4intk;//4protected:private:
168)-//12classC2(public:inti;intj;intk;staticintm;//4public:intgetK()const{returnk;}//4voidsetK(intval){k=val;}//4protected:private:}-//241612(w┑Ḅy7)structSI(inti;intj;intk;};//
169structS2inti;intj;intk;staticintm;-//intmain()(printf("cl:%d
170sizeof(Cl));printf("c2:%d
171",sizeof(C2));printf("sl:%d
172"sizeof(Sl));zprintf("s2:%d\rT,sizeof(S2));system("pause");5.2Z[ᘤ7?ឋABḄᜐᳮNᑴ}☢ḄᫀᡃḄ:+1)C++7Ḅᡂᕒ=>ᡂᕒᦪgᑖḄᡂᕒ=>+ᡂᕒ=>+G7struct=>ᨵḄᑁ⁚7A
173☟ᡂᕒ=>+Gᐰᦪnᡂᕒᦪ+GWṹV⚪:ᩭ+7ᐳᵨDᙽWṹcWṹg^nᑖᐹk7Ḅmcᣚef&+intgetK()const{returnk;},Wṹg^nᑖ,ᐹkobjlஹobj2>obj37Ḅkc2)C++Z[ᘤ7ᡂᕒᦪḄᑁᜐᳮclassTeststructTest<(private:intml;intml;>public:uoidTest_initialize(Test»pThis,inti)Test(inti)<nI-i;ml■1;>intTest_getI(Test*pThis)intgetI()<»I;returnnl;}>uoidTest_Print()staticuoidPrint(){174");printFC'ThisisclassTest-Xn**);>>>Testa;Testa(10);Test_initialize(&a,10);a.getIO;Test_getI(&a);Test::Print();Test_Print();¡¢rὃ &:£Ḅ¤u¥5.3¤u1ஹC++7Ḅᡂᕒ=>ᡂᕒᦪgᑖḄc¦§Ḅᑁ¨n©ªᯠᨵᦔ¥2ஹC++Ḅᡂᕒᦪ¬◚ᒹ¯Dpᢣᔣ±²7Ḅthisᢣ┐3ஹ☟ᡂᕒᦪஹᡂᕒ=>?G☟ᡂᕒᦪᡂᕒᦪḄn´
175☟ᡂᕒᦪyᒹ¯ᢣᔣᐹk7Ḅᢣ┐ᡂᕒᦪᒹ¯Dpᢣᔣᐹk7Ḅᢣ┐5.4thisᢣ┐ᡂᕒᦪ◚¯ U”ᢣ┐=includeᴉ-5classSimple"µlᵨ7Ḅᙢᙬ{ialxy::voidprintXY(){cout«xvoidsetXY(Simple*constthis,inta,iptb){this->x=a;this->y=b;}};voidniain(){Simpleobjl.obj2.objifobjl.x[1objl.yobjl.setXY(10.15XgbjjysetXY(10.15,&objl);obj1.printXY():obj2.xobj2.yobj+.setXY(20.2"ஹ:obj2.printXYO:obj3.xobj3.yobj3.setXY(30,35);obj3.printXYO- ¸1+¹ᡂᕒᦪḄº»Ḅ?ឋ¼thisᢣ┐ᩭ½¾ ¸2+Ḅᡂᕒᦪconst¿⛲const¿⛲ḄgÁ5.5ᐰᦪPKᡂᕒᦪ1ஹÂᐰᦪaᓄᡂᡂᕒᦪthisᢣ┐◚ÃÄÅÆᦪTestadd(Test&tl,Test&t2)==ÇTestadd(Test&t2)2ஹÂᡂᕒᦪaᣚᡂᐰᦪDp»ᦪvoidprintAB()ÈÈÈÇvoidprintAB(Test*pthis)
1763ஹᦪÉÊᐗÌÉÊÍᵨTest&add(Test&t2)//*thisᦪÉÊÍᵨ(this->a=this->a+t2.getA();this->b=this->b+t2.getB();return*this;*ÅÆÐthisᢣ┐ÊᑮᐗÌÑ}Testadd2(Test&t2)*thisᦪÉÊᐗÌ(//t3g=>Testt3(this->a+t2.getA(),this->b+t2.getB());returnt3;)
1776Òᐗ6.1ÒᐗᦪCDEFGHIJKLMNᐵpublic:voidMemberFun(int););voidFriendFun(A*ptr.intx){ptr->i=x:};voidA::MemberFun(intx)classA{private:voidFriendFun(4*ptr,intx)x;};voidA::MemberFun(intx){i=x;};
178classAl(public:Al()(al=100;a2=200;}intgetAl()(returnthis->al;)ÓÔDpÒᐗᦪfriendvoidsetAl(Al*p,intal);qpᦪgqpḄÕÖÒprotected:private:intal;inta2;)-voidsetAl(Al*p,intal)p->al=al;
179voidmain()(Almyal;cout«myal.getAl()«endl;setAl(&myal,300);Òᐗᦪ¿ᦋAḄØᨵ?ឋcout«myal.getAl()«endl;system("pause");-includeᵨ2ᕒ3ᦪ456789Ḅ;<^includeclassPoint{public:Point(doublexi.doublevi){X=xi:Y=vi:}doubleGetXQ{returnX:}doubleGetY(){returnY:} ᦪDistancefrienddoubleDistance(Point&a,Poj,&b);private:doubleX.Y:}:doubleDistance(Point&a.Point&b){doubledx=a.X-b.X;doubledv=a.Y-b.Y;returnsgrt(dx*dx+dy*dy);}voidmain(){Pointpl(3Q5.0),p2(4.06.0);?doubled=Distance(pl.p2):cout«"Thisdistanceisn«d«end1;
1806.2ÒᐗÙ¹BgAḄÒᕒᑣBḄᡠᨵᡂᕒᦪ¬gAḄÒᕒᦪÙÒᕒÜÝLÞD(7ᦪÅÆᡈà⌴âãḄäå=>2ᕒ?=includeclassA{friendclassB;PAḄQᐔpublic:voidDisplayO{cout«x«endl:};private:___intx;/ST<ᡂᕒVc/JKA<ḄXᨵᦪYᡂᕒclassB/________________________{public:/voidSet(inti){Aobject.x=H}voidDisplay0{Aobiect.Display():}private:AAobiect:BZᨵ5A,ABḄ[:ឋ)-voidmain(){BBobject:Bobiect.Set(100):Bobiect.Displav0:}7æᓄçè1staticᐵéæᓄçè⚪Aëᖪíî├D(ðᱥðᱥòóᓬ:õöÞᓫøᔜöḄú>yD᪵üý,ᖪí◤⌕ ḄᙠᵨC++ᖪᱥᓬḄ#include"iostream"usingnamespacestd;
181classGoodspublic:Goods(intw){weight=w;total_weight+=w;} Goods(){total_weight-=weight;}intWeight(){returnweight;};staticintTotalWeight(){returntotal_weight;}Goods*next;private:intweight;staticinttotal_weight;} intGoods::total_weight=0; !ᢣ┐voidpurchase(Goods*&f,Goods*&r,intw)(Goods*p=newGoods(w);p->next=NULL;if(f==NULL)f=r=p;else{r->next=p;r=r->next;}!ᢣ┐$%ᡈ'()*ᡂ!()
182voidsale(Goods*&f,Goods*&r)(if(f==NULL){cout«"Noanygoods!
183";return;}Goods*q=f;f=f->next;deleteq;cout«"saled.
184";}voidmain()(Goods*front=NULL,*rear=NULL;intw;intchoice;do{cout«"Pleasechoice:
185";cout«"Keyin1ispurchase,
186Keyin2issale,
187Keyin0isover.
188";cin»choice;switch(choice)//-.⌱0(case1://1ᐭ1,13ᱥ{cout«"Inputweight:";cin»w;purchase(front,rear,w);//4⊤6ᐭ17()break;)
189case2://1ᐭ2,813ᱥ{sale(front,rear);break;}//4⊤ᜮᑤ◀17()case0:break;//1ᐭ0,(<)cout«"Nowtotalweightis:"«Goods::TotalWeight()«endl;}while(choice);2ᦪ>?@A᪗CDEF▭H⚪JKL᪀⌼Oᦪஹcopy᪀⌼OᦪQJR-.STUVᜓᦪ>?ḄXYinclude"iostream'1include"Array.h"usingnamespacestd;intmain()(Arrayal(10);for(inti=0;i190)for(inti=0;i191Ji,al.getData(i));}Arraya2=al;for(inti=0;i192"i,a2.getData(i));/)system("pause");return0;ᦪ>?Ḅᜮᦻ[#ifndefMYARRAYH#define_MYARRAY_H.classArray
193private:intmLength;int*mSpace;public:Array(intlength);Array(constArray&obj);intlength();voidsetData(intindex,intvalue);intgetData(intindex);[Array ) #endif3](>?_`ᵨᐵ1bclasscd?eᦪfᡂᕒᡂᕒOᦪḄ@A?ḄFhiRjk>(᪀?lᵨᐵ1bstructcdJeᵫno?lᦪf>ᡂḄᦪf?l>?ᡂᕒᵫprivate,protected,publicEcpHᱯឋpublicᡂᕒsiRtu>᪀⌼Oᦪᙠvwxyᓄjk{|}~ᵨ᪆᪀Oᦪᑣᙠjk.ᵨ(<{|}~ᵨ>T᪀⌼Oᦪᑴ᪀⌼OᦪvwjkḄnoxyᓄ>☟ᡂᕒe!?ḄᡂᕒJo?jkḄᐳᑴᕒᵨᐵ1bfriendᕒej?-.Ḅ7?Ḅᕒp
194H?ᔜឋḄᡂᕒ⊤e⌕Ḅ}ᦪf(᪀Jᙠ¢£¤¥{vwᡈ¦§ᦪfᐗ©8¤ªST8.1ᭆ¬®e¤ªST¤ªST¯°ᵨᡝ|cdḄᦪf²³´Ḅµ.hml=Madd(ml,m?);@ᵨ3ᦪ456AB▣Ḅᡠ¸TJ¹e'º»'Ḅ¼dOᦪT¹ej7½ᨵḄOᦪº»'Ḅ¼d,¯ÀF'ÁÂJÃÄJ7OᦪŹᵨᩭÇ⊤noÁÂḄOᦪJȹe"ÅÊᵨ”¤ªSÈTF▭ÌJᡃÎÏÐᙠnÑnÒÀÓ¯ᵨ¤ªSThJᜧÕÖÏ×ØᵨÙÚ¤ªSjᦪஹᓫÝÞᦪßÝÞᦪ¥ÙÚ¤ªJ5+8,5.8+3.67QJᐸFáªjᦪஹᓫÝÞᦪßÝÞᦪḄÙÚ-.â¢eãnäoḄJåᵫC++ÏÐj¤ªS”+"¥TJᡠ¹Â〉ᵨint,float,double?lḄ¤ª
195è"<<"eC++ḄꤪÓḄê%¤ªSëì%íJåᙠî-.Óèeïðjkcoutñᔠ¯ᵨḄð6ᐭ¤ªSJ">>"Èeê%¤ªSëó%íJåᙠîᐭ-.Óèeïðjkcinñᔠ¯ᵨḄðô¤ªSõ¹e¤ªSToperatoroverloading ,C++ö÷j"<<"">>"¥TJᵨᡝᙠnoḄøᔠ$¯ᵨùÎ{J.ᵨenoḄj"<<"">>"ḄTᜐᳮeüᙠᜮᦻ[streamÓḄÃÄJý⌕ᙠ¢£Óᵨ"<<"">>".ð6ᐭ¤ªSðô¤ªSJþÿᙠᦻᙽᒹᜮᦻstreamᯠᒹ"usingnamespacestd" ᙠ⌕Ḅ⚪ᵨᡝ ᔲ᪷ !Ḅ◤⌕#C++$%&Ḅ'()*+,-./0123Ḅ4.56789ᵨ:'(),-ᐭ<ᢈ>?@1ABCDᵨ'(),-EᑴᵨGᦪIJK//Complexc3=cl+c2;MNComplexᵨᡝO4IP.QRᘤ᪷TU⍝X*+YZQRᘤ[%&\7]Eᑴ.^ᵨᡝ!_`ᡂ.O4IPḄYZbcdeEᑴf'(),-Eᑴ2'(),-Ḅg7ehᦪclassComplex(public:inta;intb;friendComplexoperator+(Complex&cl,Complex&c2);public:
196Complex(inta=0,intb=0)(this->a=a;this->b=b;)public:voidprintCom()(cout«a«"+"«b«"i"«endl;)private:}j/*ComplexmyAdd(Complex&cl,Complex&c2)(Complextmp(cl.a+c2.acl.b+c2.b);zreturntmp;}*/Complexoperator+(Complex&cl,Complex&c2)
197Complextmp(cl.a+c2.a,cl.b+c2.b);returntmp;)voidmain()(Complexcl(l,2),c2(3,4);//Complexc3=cl+c2;ᵨᡝO4IPQRᘤkl^mnoY//ComplexmyAdd(Complex&cl,Complex&c2);//Ipqhᦪ//Complexc3=myAdd(cl,c2);//c3.printCom();//2operator+hᦪ8r//Complexc3=operator+(clc2);z//c3.printCom();3+sᣚhᦪ8Complexc3=clc2;uὃC++QRᘤXwᢝbc),-EᑴḄ(᪷ IP)+c3.printCom();
198inta=0,b=0,c;{ẠIPC++QRᘤU⍝XYZc=a+b;)//4}ComplexImᡂ~ᨵឋᐗhᦪḄᵨ//friendComplexoperator+(Complex&cl,Complex&c2);cout«"hello..."«endl;systemCpause*');return;8.2'(),-Ḅ▲ᑴḄ+-*/%A&1J=<>+=-=*=/=%A=&=1=«»»=«==!=<=>=&&II-H---->*6->[]0newdeletenew[]delete[]Ḅ.::.*?:sizeof
199]^ _ᦪ` abcḄd efᨵghEi0:Aᦋ0 ḄlᐜnAᦋ0 Ḅoᔠឋ/ᦋ0 ᡠ◤⌕ḄsaᦪAcḄ 8.3'(),-Q{Ạt _ᦪ4uᱯwḄᡂᕒ_ᦪᡈQᕒ_ᦪtᡂᕒ_ᦪḄEy*+,::operatorop1ᦪ⊤) Ḅ }X45 ]^fᨵiᨵᜫi4ᱯ<Ḅ45c K:ᐰhᦪ`ᡂ+bc),-Complexoperator+(Complex&cl,Complex&c2)Iᡂᕒhᦪ`ᡂ-bc),-Complexoperator-(Complex&c2)
200'(),-Ḅ]lᵨᡂᕒᡈᕒhᦪ,-'()t _ᦪ`]^ᡂᕒ_ᦪᡈQᕒ_ᦪ*ᐵᙠ;ᡂᕒ_ᦪᐹᨵthisᢣ┐Qᕒ_ᦪᨵthisᢣ┐“ᡂᕒ_ᦪQᕒ_ᦪ]^ Ḅ(ᵨye⌴ᦪḄ+ṹᵨᔠᵨᡂᕒᡈᕒhᦪ,-'()2-ᐗObjectLopObjectRA]^ᡂᕒ_ᦪd ,ObjectL.operatorop(ObjectR)saᦪᵫQbjeQLSTthisᢣ┐⌴.saᦪᵫᦪQbjectR⌴]^Qᕒ_ᦪd ,operatorop(ObjectL.ObjectR)saᦪ?ᵫᦪ⌴K1q¡Iᡂᕒhᦪ`ᡂ-bc),-hᦪ¢£Complexoperator-(Complex&c2)hᦪ¤ᵨᑖ᪆
201ᵨIᡂᕒhᦪ§-'(),-Complexc4=cl-c2;c4.printComO;//cl.operator-(c2);K2:q¡ᐰhᦪl`ᡂ+bc),-hᦪ¢£Complexoperator+(Complex&cl,Complex&c2)hᦪ¤ᵨᑖ᪆intmainO(Complexcl(1,2),c2(3,4);//Comp1exc31=operator+(cl,c2);Complexc3=cl+c2;c3.printCom();)K3:±ᕒ!²³§*/
202ᵨᡂᕒᡈᕒhᦪ,-'()1.ᐗObjectopᡈopObject;]^ᡂᕒ_ᦪd ,Object.operatorop0saᦪᵫObjectSTthisᢣ┐◚¢⌴A]^Qᕒ_ᦪd ,operatorop(Object)saᦪᵫᦪ⊤ḄᦪObject¤¥K3µ¶++bc)ᵨᐰhᦪ§Complex&operator++(Complex&cl)(cl.a++;cl.b++;returncl;}¤ᵨl++C1j="◤⌕ᑏ¹bc),-hᦪMºcl.printCom();'(),-hᦪ8O4✌ᐜ½¾bc),-7ehᦪO4hᦪ8“operator++
203ᑖ᪆hᦪ¿ᦪ᪷ ÀÁbcᦪḄeᦪoperator++(Complex&cl)ᑖ᪆hᦪÂÃÄ9Complex&operator++(Complex&cl)ÂÃ1ÅK44.1µ¶7bc)ᡂᕒhᦪ§Complex&operator-()(this->a-;this->b-;return*this;}//4.2¤ᵨl-cljcl.printCom();//4.3µ¶7'(),-hᦪ8O4//cl.operator-()K55.1ƶ++bc)ᵨᐰhᦪ§Complexoperator++(Complex&cl,int)(Complextmp=cl;cl.a++;cl.b++j
204returntmp;)//5.2¤ᵨlcl++;ᐜ5ᵨÆ++//5.3ƶ++'(),-hᦪ8O4Complexoperator++(Complex&cl,int)hᦪᓰÈ¿ᦪɵ¶++oÊËK6//6.1ƶ7bc)ᵨIᡂᕒhᦪ§Complexoperator--(int){Complextmp=*this;this->a-;this->b-;returntmp;}//6.2¤ᵨlcl++;ᐜ5ᵨÆ++//6.3ƶ-'(),-hᦪ8O4Complexoperator--(int)hᦪᓰÈ¿ᦪɵ¶--oÊ˵¶Éƶ'()ÌÍC++q¡7eᓰÈ¿ᦪᩭÊᑖµ¶'(Éƶ'(
205,-++Ï--ÐAAobjectj'()HÉ••ᨵ]Ò!"#$:-H-Aobject-Aobject4ᐗᡂᕒhᦪ,-A::Aoperator-H-();ÓÔAAobject.operator-H-();&ᕒ(ᦪ)friendAoperator++(A&);ÓÔAoperator++(Aobject);Õ¿ᦪ*"#$:Aobject-H-Aobject-§ᐗᡂᕒhᦪ,-A::Aoperatoi-H-(fun;ÓÔAAobject.operator;&ᕒ(ᦪ+:friendAoperator-H-(A&.int\;ÓÔAoperator-H-(AobjectO^O4'(),-hᦪ8ḄÖ×ᐰhᦪஹIᡂᕒhᦪl§'(),-Ö×1 ⌕½¾bc),-7ehᦪ.ᑏ¹hᦪ8roperator+ 2 ᪷ bcᦪ.ᑏ¹hᦪ¿ᦪ3 ᪷ ÙÚ.`ᗐhᦪÂÃÄÜhᦪÂÃÝᵨᢣ┐ᐗàá.â§hᦪÙÚᐗhᦪ§bc),-Ḅᵨ1ᐗhᦪÉᡂᕒhᦪ⌱äl>klæᦋÀbcᦪḄIè.5ᵨᐰhᦪ*+,->=,0,0É->bc)é q¡ᡂᕒhᦪ*+,-2ᵨᐗhᦪ,-<<>>bc)>istreamÉostreamC++Ḅ⚜O4ìI
206AcinistreamḄ#í.coutostreamḄ#íî'()«ᵫstream,-Añᐭbc.ᵨòó¹{IPᦪ î'()»ᵫistream,-A%õbc.ᵨòóᐭ{IPᦪ îᵨᕒhᦪ,-«É»,ó¹ÉóᐭᵨᡝO4Ḅᦪ IPa)ᵨᐰhᦪl§«bc)ostream&operator«(ostream&out,Complex&cl)(//out«"12345,ö÷øù"endl;out«cl.a«"+"«cl.b«"i"«endl;returnout;)¤ᵨlcout«cl;úÒQwᢝcout«cl«"abcc";//cout.operator«(cl).operator«("abcd");hᦪÂÃÄᐙÀÄ◤⌕ÂÃ7eÝᵨb)Iᡂᕒhᦪlkl§«bc),-NüᑮcoutdeIḄþṹ//cout.operator«(cl);3) ᐗᦪᵨa) ᕒᦪᵨḄᦪḄ
207Qᕒ_ᦪ]^ ᵨ; Ḅsaᦪ<¨Ḅ©ªclassComplex{intReal;intImag:public:Complex(inta){Real=a:Imas=0;}Complex(inta.intb){Real=a:Imag=b;}Complexoperator+(Complex);intf()/2” operator+(z){ComplexzL2.3)k(3,4);z=z+27/NOz27Complexஹ……«ᵨ_ᦪb ᐸAᙠ#$%&ᦪ◤⌕◚*+ᣚḄ-./ᵨ ᕒᦪ012Ḅ⌱4> ᕒᦪ6ᨵthisᢣ┐/ᡠ◤ᦪ;<=ᙠ&ᦪ⊤?*@A/BC᧕EFḄ◚*+ᣚ>C++GHᵨ ᕒᦪḄᨵ=JKL—>4K ᐗᦪᫀOvectorincludeusingnamespacestd;QvectorRSᐭUVWclassvector
208public:vector(intsize=1);Xvector;int&operator[](inti);friendostream&operator«(ostream&output,vector&);friendistream&operator»(istream&input,vector&);private:int*v;intlen;)Yvector::vector(intsize)(if(size<=0||size>100)(cout«"Thesizeof"«size«"isnull!
209";abort();)v=newint[size];len=size;)vector::Xvector{delete[]v;len=0;
210int&vector::operator[](inti)(if(i>=0&&i211";abort();)ostream&operator«(ostream&output,vector&ary)(for(inti=0;i212cout«"InputthelengthofvectorA:
213";cin»k;vectorA(k);cout«"InputtheelementsofvectorA:
214";cin»A;cout«"OutputtheelementsofvectorA:
215";cout«A;system("pauseH);)8.4VZ1[ᑴC++]^ᘤ0abᢝ[ᑴḄd2ef=gefᵨhiᦪjḄkᑴoperator<=QᡂᕒᦪgᦪmQn&::operator=(const&);ᫀOnoᗐName/bᢝ=q
216#includeDName?ḄEFG)3ᦪ#includeclassName{public:Name(char*pN);Name(constName&);Hᑴ᪀⌼3ᦪName&operator=(constName&);EFG)K5LQName():protected:chai'*pName;size;)Ysᦋhiuvᵨefᦪvoidmain()/{NameObjl("ZhangS^n")NameObj2=Obj1/@ᵨHᑴ᪀⌼3ᦪNameObj30N@ᵨEFG)K5L3ᦪxy:1ᐜ}~Ḅᑁ2$%ᵨ3=ᔣobj3=objl;C++]^ᘤVḄq//obj4=obj3=objl//obj3.operator12(objl)Name&operator=(Name&objl)(//Iᐜ}~obj3Ḅᑁif(this->m_p!=NULL)
217delete[]m_p;m_len=0;}//2᪷jbjlᑖµᑁᜧ·this->m_len=objl.m_len;this->m_p=newchar[m_len+l];3ºobjlef»obj3strcpy(m_p,objl.m_p);return*this;}3ᦪÀ.⊤LLUJK>[]UJK0Áᐗ>[]UJKÂHᵨᡂᕒᦪ/Hᵨ ᐗᦪEFM᪗K5L[][]ᵨÃÄᦪjhiḄᐗÅÆ*?O?nnoperator[]?O YÇx0XḄ$%hi/ᑣ⊤É*x[y]ÊËÌ}Qx.operator[](y)
2181.EFM᪗K5LP-6.#includeclassvector{public:vector(intn){v=newint[n]:size=n;}-vector(){delete[]v;size=0;}v[i]cout«a[2]«endl;LEFM᪗K5LP-64#includeclassvector{public:vector(intn){v=newint[n]:size=n;}Xvector(){delete[]v;size=0;}219Æ*?O?::operator()(⊤ST⊤)YUÇx0XḄ$%hi/ᑣ⊤É*x(argl,arg2,...)ÊËÌ}Qx,operator()(argl,arg2...)zᫀOn2ᵨEFK5L VᦪW3ᦪḄXY#includeclassF{public:doubleoperator()(doublex,doubley);}doubleF::operator()(doublexdoubley)z{returnx*x+y*y;}voidmain()f.getA();cout«f(5.2,2.5)«endl;//f.operatorf)(5.2,2.5)}ÏÐÑÒᡂᕒᦪ3ᵨEF()K5L Vpkᡂᕒ3ᦪ#include
220classF{public:doublememFun(doublex,doubley);)YdoubleF::memFun(doublex,doubley){returnx*x+y*y;}voidmain()(FfYcout«f.memFun(5.2,2.5)«endl;)5QÓÔ⌕&&U||ᳮy×Øn1)&&U||0C++GÙᱯÛḄ2)&&U||ᑁÜEFÝÞßàᑣ3)0☠ᦪᩭoᡂḄ4)ᦪQᦪ&ᦪã⌴5)C++Ḅᦪ&ᦪ;åËæf/çèEFÞßàᑣ/include#includeusingnamespacestd;classTest
221inti;public:Test(inti)(this->i=i;)Testoperator+(constTest&obj)(Testret(O);cout222//&&ᔣvoidmain()(intal=0;inta2=1;cout<<“n&&Ḅxᔠîï0ᔣ”<223return;8.5ᙠ⚗÷øùGḄúᵨ1EF$%ᦪÀûüý»2EF$%ÿ ᪀⌼ᦪ⌕MyStringa;MyStringa(dddd)MyStringb=a;ᵨḄ «»!===><=Cᨵ !"#$ᦪ%ᩭ'( C++ᡃ*ᩭ+,-. /012Ḅ classMyString(friendostream&operator«(ostream&out,constMyString&s);public:᪀⌼4᪆᪀
224MyString(intlen=0);MyString(constchar*p);MyString(constMyString&obj);~MyString();public: 67MyString&operator=(constchar*p);MyString&operator=(constMyString&obj);char&operator[](intindex)const;public:booloperator==(constchar*p)const;booloperator!=(constchar*p)const;booloperator==(constMyString&s)const;booloperator!=(constMyString&s)const;public://stringtocchar*c_str();constchar*c_str()const;intlength()returnm_len;)
225public:intoperator<(constchar*p);intoperator>(constchar*p);intoperator<(constMyString&s);intoperator>(constMyString&s);private:intm_len;char*m_p;)3®ᢣ┐<¯ᑏi8⚪:;ᢣ┐>ᵨ$?!@A;BᑁDEF4ᑁDGHIJK2LMNᫀ:QSboostTḄUVᢣ┐⚗XYZ!⌕YZὅ>ᵨ⚜ᐜ^ᑏḄUVᢣ┐`abcCḄdeᢣ┐3UVᢣ┐fgh?ḄUVᢣ┐"-.'i#$᪀⌼ᦪjkᵭmḄᑁD#$᪆᪀ᦪnoᚮᑁDIqrJK#$67ᢣ┐st *4->ᩭ'(ᢣ┐Ḅwx#$67yzst ==4!=ᩭ'(ᢣ┐Ḅyz
226classTest(public:Test()(this->a=10;)voidprintT()(cout«a«endl;)private:inta;)classMyTestPointer(public:public:MyTestPointer()p=NULL;
227)MyTestPointer(Test*p)(this->p=p;)~MyTestPointer()(deletep;)Test*operator->()(returnp;)Test&operator*()(return*p;)protected:Test*p;)voidmain01_classp()
228Test*p=newTest;p->printT();deletep;MyTestPointermyp=newTest;᪀⌼ᦪmyp->printT();67 ->)classMylntPointer(public:public:MylntPointer()(p=NULL;)MylntPointer(int*p)(this->p=p;)~MylntPointer()
229deletep;)int*operator->()(returnp;}int&operator*()(return*p;)protected:int*p;}voidmain02_intp()(int*p=newint(lOO);cout«*p«endl;deletep;MylntPointermyp=newint(200);coutcv31cmyp<2308.7▬|Sst 41᪶ឋ▬²C ³oᔠឋ⌕´ lᐜn ¢ioᔠᔣḄ5ᦪ()ᙊ¹º[]¿᪗ 1ᢣᔣo᪀Äᡂᕒ»¼—> •o᪀Äᡂᕒ ÅÆÇ =ᢥGÍÎ ++»Ð ——»Ñ 12—Òº »¼ÈᓫÊ ËÓ<¨Ë<¨Ôᣚ ᢣ┐ &Íᙢᙬ sizeofÙÚ *Ûy 23/◀y »¼ÈÜÊ Ë%´Þ +ßy 24»¼—ày ÈÜÊ Ë«á 25»¼»á ÈÜÊ â26<<=>>=ᐵå »¼ÈÜÊ Ë
231æ⊤⌕´ lᐜn .¢ioᔠᔣḄ5ᦪ==ç; 27!=»¼ç; ÈÜÊ Ë28&ᢥGI »¼ÈÜÊ Ë29AᢥGèᡈ »¼ÈÜÊ Ë2101ᢥGᡈ »¼ÈÜÊ Ë211&&ÅÆI »¼ÈÜÊ Ë212IIÅÆᡈ »¼ÈÜÊ Ë313?tᩩê »¼ÈëÊ Ë=+=—=*=214/=%=»=«=ì »¼ÈÜÊ Ë&=A=S=⌹º 15»¼Èîï´ Ë1 67"C++Ḅᜧᱯឋ- 67Ḅ"#$ᦪ Ḅoperatorᐵ " 67Ḅᐵfriendᐵ /`ᦪᡈYZ8ᩗ▲ 67⍳ᦪ67Ḅᑣ 67/¢j>ᵨḄᡂᕒᦪ¥B=,§,¨©4-ª «V#$ᡂᕒᦪ¬w67++ #$-.intᦪ¬w®¯°±¯Ḅ67C++²⌕67&&411
232
2333ஹ´µ4¶e3.1´µᭆ¸☢ᔣ`a?»+,ᨵ4.¼⌕ᱯ½S¾aஹ¿Àஹ´µ4Gឋᡃ*Ã@ÄLÅ4`a!ÅLÅ☢ᔣ`a?»+,ḄÆ.6⌕ᱯÇ-ᦪȾa°¿À!É@VÊ+,;ËÌ`aḄ?»! "☢ᔣ`a?»+,ḄËẠ⌕zÎᙢ¬w☢ᔣ`a?»+,!ÐÑÒÅL☢ᔣ`a?»+,ÓÆ.6⌕ᱯÇ--´µឋ4GឋÕ¼⌕Ö×ᨵᐵ´µḄØÙ!GឋÚᙠ±ÜÕ⁚ÄL´µឋ"☢ᔣ`a?»+,ᨬ6⌕ḄᱯÇ!/ß!àᨵáâ´µឋ!ãäÌᨵáâ4`aḄåæ!ã"ᨵáâ☢ᔣ`a?»+,Ḅçè3.1.1éḄᐵêhas-A,uses-A4is-Ahas-Aᒹìᐵê!ᵨ/íî-.ᵫG."ñò"᪀ᡂ¥Bhas-Aᐵêᵨᡂᕒ⊤ô!ᓽ-.ḄᦪÈᡂᕒ"Ó- Ã@öḄuses-A-.ñᑖᙢ>ᵨÓ-.#$éᡂᕒᦪḄøùὶê!öûᕒᡈ`aᦪü⌴¥Bis-Aþᑴ ""ᐵᐹᨵ⌴ឋᐹᨵ ឋ3.1.2ᐵᱥḆᨵ⌕Ḅ ᫀ!1 "ᱥ#$2 %&ᕒ#
234Hçðᱥõçðᱥòóᙢ⊟
2353.1.4+,-Ḅ./56ᐵ8Ḅ9:;$class<=:>⊤{ᦪ@ᡂᕒBᡂᕒ(ᦪCD};>⊤᪀ᡂEFGᑴ>JEFGᑴ>2,EFGᑴ>"⊤ Ḅᵨᐵ publicᨵprivate"ᨵprotected#$23:C++Ḅ56(publicஹprivate>protected)89:;-Ḅ=>?ឋ3.1.5⌕@A1ஹ;-Bᨵ᱄-ḄᡠᨵᡂᕒFGHᡂᕒIᦪ4ஹ;-KLBᨵ᱄-MᨵḄ5NH?ឋ2ஹ;-OPQᱯSḄ᱄-3ஹ;- KLTU᱄- Vᵨ3.2+,-Ḅ=>Xᑴ+,-Z[-Ḅᐰ]ᡂᕒFGHᡂᕒ5N(◀Z᪀⌼H᪆᪀cḄᡂᕒ5N)efgᡂᕒḄ=>?ឋᙠ+,i%KLjḄ
2363.2.1ᓫ -Ḅ=>Xᑴ1ஹ-ᡂᕒ=>mn(publicஹprivate>protected)2ஹoὃ!-ᡂᕒḄ=>mnqᨵpublicHprivateᔲstu3.2.2vḄ568ᦋFᡂᕒḄ=>?ឋ1)C++Ḅ5689:;-Ḅ=>?ឋpublic!᱄-ᡂᕒᙠ;-xᢝzᨵ=>mnprivate!᱄-ᡂᕒᙠ;-Fprivateᡂᕒprotected!᱄-publicᡂᕒ8Fᡂprotected᱄-protectedᡂᕒ{ᯠprotected᱄-privateᡂᕒ{ᯠprivate2)privateᡂᕒᙠ;-}ᯠ~ᙠeᓾN=>ᑮQ56[-+,-Vᵨ[-Ḅᨵᡂᕒ3)C++;-=>?ឋ⊤᱄-ᡂᕒ=>mnpublicprotecedprivatepublicpublicprotecedprivate5protecedprotecedprotecedprivate6privateprivateprivatePrivate4)Ḅ=>Xᑴ
237classA(public!inta;protected:intb;private![intc;$classB:publicApublic!inta;protecteded:c-private!intb;$:intc;mainOmam(a;//errb;;//errc;//err3.2.3“”zᑣC++Ḅ56£publicஹprivatexprotected 89:;-Ḅ=>?ឋᑨ¥¦P§¨ᔲ©=>1 jᵨª§f§¨ᑏᙠ;-Ḅᑁ]ஹ]2 ;-®¯᱄-£public>private>protected 3 ᱄-Ḅ=>mn£publicஹprivateஹprotected 3.2.3+,--ᡂᕒ=>mn°±Ḅzᑣoὃ!®ាTḄVᵨpublic,protectedHprivateᡂᕒ³A=>mnu1ஹ◤⌕©µ=>Ḅᡂᕒ°±public2ஹqᙠT¶-=>Ḅᡂᕒ°±private3ஹqᙠT¶-H;-=>Ḅᡂᕒ°±protected,protectedᡂᕒḄ=>ᩗ▲¹T'publicHprivatecº
2383.2.4»ᔠ½¾¾¿!public8ᦋF᱄-=>?ឋ$private8ᦋF᱄-=>?ឋprivate$protected8]ᑖᦋF᱄-=>?ឋÁ!PÂÃÄÅclassB:publicA-Ḅ56;-=>?ឋ9:#includeincludeusingnamespacestd;classA(private:inta;protected:intb;public:intc;A()
239a=0;b=0;c=0;)voidset(inta,intb,intc)(this->a=a;this->b=b;this->c=c;))$classB:publicA(public:voidprint()(//cout«"a="«a;//errcout«"b="«b;cout«"c="«endl;))$
240classC:protectedA(public:voidprint()(//cout«"a="«a;//errcout«"b="«b;cout«Hc="«endl;)$classD:privateA(public:voidprint()(//cout«"a="«a;//errcout«"b="«b«endl;cout«"c="«c«endl;))$intmain_01(intargc,char*argv[])
241Aaa;Bbb;Ccc;Ddd;aa.c=100;//okbb.c=100;//ok//cc.c=100;//err-Ḅ]ÇÈÉ///dd,c=100;//erraa.set(l,2,3);bb.set(10,20,30);//cc.set(40,50,60);//eedd.set(70,80,90);//eebb.print();cc.print();dd.print();system("pause");return0;
2423.3Ḅ᪀⌼H᪆᪀3.3.1-ÊËÌឋzᑣ-ÊËÌÍᑣᢣᙠ◤⌕[- ḄÏ®ᙢ5KLVᵨÑᨵ+,-Ḅ ᩭÓÔÕiÑᨵ+,-ÖᑮZ[-◀᪀⌼Iᦪஹ᪆᪀IᦪcḄᡠᨵᡂᕒf᪵Ñᨵ+,-Ø▭OᐹᜓZ[-ḄᡠᨵÛÜ[-ÝÞḄ>⚪Ñᨵ+,-KLÝÞ-ÊËÌÍᑣᡠᢣḄÓÔᒹáLÅÃÄ!;- KLTU᱄- Vᵨ;- KLâãä᱄- ;- KLåæᓄ᱄- ᱄-ᢣ┐KLᢣᔣ;- ᱄-êᵨKLêᵨ;- ᙠÓÔcë+,- OKLU[-Ḅ VᵨeqVᵨ¯[-Ḅᡂᕒ-ÊËÌÍᑣìឋḄ⌕[ẠcPïÁ!;-OᱯSḄ᱄-(base*p=&child;)/♦include#includeusingnamespacestd;/*;- KLTU᱄- Vᵨ;- KLâãä᱄- ;- KLåæᓄ᱄-
243᱄-ᢣ┐KLᢣᔣ;- ᱄-êᵨKLêᵨ;- */;-OᱯSḄ᱄-classParentO3(protected:constchar*name;public:Parent03()(name="Parent03";)voidprint()(cout«"Name:"«name«endl;))$classChild03:publicParent03{protected:inti;
244public:ChildO3(inti)(this->name="Child2”$this->i=i;));intmain()(ChildO3child03(1000);ᑖn./᱄- ᱄-ᢣ┐᱄-êᵨchildParent03parent=childO3;Parent03*pp=&childO3;Parent03&rp=childO3;parent.print();pp->print();rp.print();system("pause");return0;
2453.3.2Ḅ ñÊ-ᙠC++òóᘤḄᑁ]KLᳮÝÁ᪀ö;-ᵫ᱄-ᡂᕒøù;-úᡂᕒÖᑮḄ ᨵ\]Ḅ^_i?includeclassA{public:voidget^XYQ{cQut«"Entertwonumbersofx.y!H$cin»x»y$}voidputXYQ{cout«Mx=',«x«n.y="«y«':}Cjrotected:hclassB:publicA{public:intget^S(){returns;voidmake_S(){s=x*v!}!(^protected:}?classC:publicB{public:voidget_H(){cout«MEnteranumberofh:";cin»h;}intget_V(){returnv:}^oidmakeS():v=get_S()*h;) ᵨ`?ᡂᕒ3ᦪprotected:tatKvi^)(
246voidmain() ᨵ\]Ḅ^_{AobjA;xyBobjB;objAobjA.xobjA.yCobjC:Scout«wItisobject_A:
247H;objBobjB.xobjB.yobjB.shvobjA.get_XYO$objCobjC.xobjC.yobjC.sobjC.hobjC.vobjA.putXY():cout«MItisobject_B:nu;objB.get_XY();)ᵨ Aᡂᕒ+ᦪobjB.make_S();cout«MS=M«objB.getxf^<^ndl;bjCḄᦪ.ᡂᕒ/0cout«MItisobject_Czn;objC.get_XY();/objC.get_H():objC.make_V();cout«nV="«objC.get_V()«endl;}᪀⌼H᪆᪀>⚪!®åæᓄ᱄-ᡂᕒu᱄-û;-Ḅ᪀⌼IᦪᨵÇÈᐵᙠ;- ᪀⌼ü◤⌕jᵨ᱄-᪀⌼IᦪᐸÖᩭḄᡂᕒþÿ ᓄᙠ᪆᪀◤⌕ᵨ᱄᪆᪀ᦪᐸᩭḄᡂᕒ ᳮ#include#includeusingnamespacestd;classParent04(public:Parent04(constchar*s)
248cout«"Parent04()"«""«s«endl;)~ParentO4()(cout«"~Parent04()"«endl;) classChild04:publicParent04(public:Child04():ParentO4("ParameterfromChild!")(cout«"Child04()"«endl;)-ChildO4()(cout«"-Child04()"«endl;)
249voidrun04()(Child04child;)intmain_04(intargc,char*argv[])(run04();system("pause");return0;3.3.3Ḅ᪀⌼᪆᪀ᵨ"ᑣ1ஹᙠ%&'✌ᐜᵨ᱄Ḅ᪀⌼ᦪ2ஹ᱄᪀⌼ᦪ +,- Ḅ᪀⌼ᦪ3ஹ.᱄Ḅ᪀⌼ᦪᨵ0ᦪ◤⌕ᙠḄ ᓄᑡ⊤34ᵨ4ஹ᪆᪀ᦪᵨḄᐜ-567᪀⌼ᦪ893347:ᔠ<=>?@᪀⌼A᪆᪀ᵨ"ᑣ"ᑣBᐜ᪀⌼᱄C᪀⌼ᡂᕒDEஹᨬ-᪀⌼GHᐜ᪆᪀GHᙠ᪆᪀ᡂᕒDEஹᨬ-᪆᪀᱄ᐜ᪀⌼Ḅ-JKLMBdemo05_extend_construct_destory.cpp
250P ᓄ᱄ᡂᕒḄ᪀⌼A᪆᪀A:ᔠ<=>?@᪀⌼ᦪஹ᪆᪀ᦪᵨ56ẆR#includeusingnamespacestd;classObject{public:Objectfconstchar*s)(cout«"Object()"«""«s«endl;)SObject(cout«"~Object()"«endl;)} classParent:publicObject
251public:Parent(constchar*s):Object(s)(cout«"Parent()"«""«s«endl;)SParent(cout«"~Parent()"«endl;)) classChild:publicParent(protected:Objectol;Objecto2;public:Child():o2(”o2"),olC'ol"),Parent("ParameterfromChild!")(cout«"Child()"«endl;)SChildcout«"rwChild()"«endl;
252));voidrun05()(Childchild;)intmain05(intargc,char*argv[])(cout«"demo05_extend_construct_destory.cppH«endl;run05();system("pause");return0;3.3.5ḄUVᡂᕒDEᜐᳮXY1ஹ.ᡂᕒDE7᱄ᡂᕒDEUV2ஹZᯠ\᱄UVᡂᕒ3ஹᙠ]^_ᵨ`ᑖbc:: UVᡂᕒeᑖfᙠghiᵨjḄUVᡂᕒ3kᙢiᵨV▲nco4ஹUVᡂᕒpqᙠᑁpḄsUtu
2531.Eaᦪ#ᡂᕒBbaseab:classbase;derivedabb{public:inta,b:derivedd1234};classderived:publicbase{public:intb.c:};voidf() ᡂᕒḄ0ᵨ123ᑮᡠᨵ {derivedd;d.a=1;A Ḅ78ᡂᕒ9: Ḅ;8ᡂᕒd.base::b=2:d.b=3:d.c=4:);2.Eaᡂᕒ3ᦪ^includeclassA{public:intal.a2;A(intil=Ointi2=0){al=il;a2=i2:}rvoidprintO{cout«"al="«al«,Xt*«"a2="«a2«endl;}classB:publicAghvwjUVᡂᕒᦪ{public:ᵨGxḄᡂᕒᦪintbl.b2;B(intjl=lintj2=l{bl=jl;b2=j2:}?voidprint()// M(ᦪ{cout«Hb”2543.3.6ghḄstaticᐵ{|Astaticᐵ{|ᙠ}~'hᳮjnḄ☟ᡂᕒᡠᨵghᐳ᪷☟ᡂᕒGxḄᱯឋAghḄXkᙠᐹᨵsUḄឋf⍳ghḄᑴogh☟ᡂᕒᵨ¡@¢k3k£¤B?a::ᡂᕒᡈ]^Ya.ᡂᕒᙠcd?l☟ᡂᕒ==includeclassB☟ᦪᡂᕒ{public:ain()staticvoidAdd(){i-}{BX Dy staticinti;x.Add();voidoutQ{co}(x.out();intB::i=0;y.f();classD:privateB{public:cout«Mstatici=M«B::i«endl;voidf():cout«Mstatici=M«x.i«endl:{i=5 cout«nstatici=',«y.i«endl;Add():B::if}B::Add():
255J5ᙠcd?l☟ᡂᕒ#includeclassB{public:voidmain()staticvoidAdd{i-H- }{Bx;Dy staticinti;x.Add();voidout(){cout«Mstatici=,,«i«endl;}};x.outQ };07-5ᙠcd?l☟ᡂᕒ^includeclassB{public:voidmain()staticvoidAdd{i++ }{Bx:DvBstaticinti;BḄ☟ᦪᡂᕒx.Ad^tkvoidout(){coutv"oiailL1ஹjx.out();JiintB::i=0;y-fOBclassD:privateB{public:cout«"statici="v«^B::i4?:
2561>staticᦪ®⍳3°"ᑣ2>static᧕³┯µfs¶⌕ ᓄ·¸⌕Ḅ34Ḅ¹º»¼ᘤᑖ¾ᑁpo3>᪀⌼ᦪ¿ÀÁprivate3.4Æ3.4.1ÆḄÇᵨÆᭆÉ>}°ᨵÆ°ÊËjḄᐵÌÁÆ>ÆͤÎYclasscd?amᑴ`?a1,ᑴ`?a2,....ᑴ`?an{ᦪ#ᡂᕒᡂᕒ3ᦪnoo >CÑ¡᪷ᑴUAABḄᡂᕒÔÕÖGHḄᡂᕒÆḄgh᪀⌼A>Æ°jḄgh᪀⌼ᦪÑ¡ᵨ kᵨj᪀⌼ᦪ ᓄᦪᡂᕒ> 567ᓫ᪀⌼ᦪ>?ØÆ°ÊËj᪀⌼ᦪ 56ÙÚÛnghᢣnḄᔜ°jḄ56>}°ghÞᨵÆ°ÊËᡈßËjḄᡂᕒsUVᡂᕒs'àáឋâsUḄjᨵUVᡂᕒghÇãÖ¡ä
257ÆåᓫÇᵨp\]Ḅqᓫsᵨvoidmain(){Baselbl(10);classBaselBase2b2(*k');{public:Basel(intx){value=x;}Derivedd(52.5);intaetDataOconst{returnvalue:}protected:intvalue;return;};.classBasel{public:Base2(charc){letter=c;}chargetDataOconst{returnletter:)protected:charletter;);classDerived:publicBasel,publicBasel{friendostream&operator«(ostreamconstpublic:Derived(mt.charBdouble);double^etResdQconst;private:doublereal;)(3.4.2æâ}°gh\Æ°jghçèéjêᨵ}°ᐳUḄjᑣᙠãjÍ
258CḄ8 DEFGHIJKឋ:classB{public:intb:}:classBl:publicB{private:int^bl;};classB2:publicB{private:intb2:};classC:publicB1.publicB2{public:int^f():private:intd:}:classC(f().d)ᨵ:Cc;c.B;//errorc,B::b;//error,tuv\]Ḅ?c.Bl::b://ok,tBl\]Ḅc.B2::b;//ok,tB2\]Ḅᑖ᪆::classB{public:intb;};classB1:publicB{private:intbl;}:classB2:publicB{private:intb2:};classC:publicB1.publicB2{public:intf();private:intd;}:pEcd?CḄYḄxyz᪀>{CḄBḄ᪀⌼ᦪᵨᵫB1ᵨᵫB2ᵨᓄCḄᡠᒹ Ḅ BḄ>?:
259>â}°gh\Æ°jghçèéjêᨵ}°ᐳUḄjᑣᙠãjͤḄV| Ñëháឋ>âᙠÆᩩíîïᨵ}°ðᐳḄjñᙠíîḄòᜐóᔠôè°ðᐳjõ'ᙠghḄhÆ°j>⌕iè°ðᐳjᙠghöh}°÷øè°jͤÁæiè°jᡂÁæj>æͤiᵨᐵ{|virtual:classB{public:iiHb:};classBl:virtualpublicB{private:intbl;}classB2:virtualpublicB{private:iiHb2;}classC:publicBl.publicB2{private:floatd;};ᨵ|Ccc:cc.b//ok/QᵫCḄᨵB b ᑮ"#ᡠ%&%'()*+ᵨ b-.BḄ/ᡠ-.Ḅ0123Ḅ4ᓽcc.B1::b7cc.B2::b8ᵨ1(4BḄ
260-:classB{public:intb;};classBl:virtualpublicB{private:intbl;};classBclassB2:virtualpublicB{private:intb2;}:—MclassC:publicB1.publicB2classBl{bl)|{private:floatd:};OᨵP>Ḅ<=cḄQḄRST᪀VWclassC{d}ùúBûüýÖvirtualᐵ{|-᪀⌼ᦪᵨḄᦪ3.5y+>þ☢ᔣᵨḄ⌕ᕒᙠᨵḄẠ Ḅ >ᓫ$%Ḅ &ᨵ'()$%Ḅ ᨵ)(> ᡂᕒḄ+,ᵫ$%./ᡂᕒឋ12 >34 56ᐜ8ᵨ᪀⌼;ᦪ=>ᓄ @Ḅᡂᕒ8ᵨ᪆᪀;ᦪḄB/8ᵨ᪀⌼;ᦪḄBCD>C++EFG$%Hᑴ6■K$%ᐵM@ᡂᕒ+,ḄN ឋ)$%EFOᵨḄPᜧRS6TUVOḄWᩖឋ
2614ஹ),⚪\](_`abឋcᑣ⍗;ᦪᑏ)☢ᔣ ◤jC++EFḄ)k2ᫀ)ᫀm)no ☢ᔣpᜧᭆrஹpsu(vwஹ$%ஹ)))ᡂxᩩz{ᩩஹ|}ṹḄ5⌕|])4.1)4.1.1,⚪\] O᱄@cCḄ;ᦪ;ᦪᑏᙠ@ ᱄@cCḄ;ᦪ;ᦪᑏ&ᙠ᱄classParent(public:voidprint(){cout«"Parent:print()do..."«endl;)
262);classChild:publicParent(public:voidprint()(cout«"Child:print()do..."«endl;))intmainOl()(runOO();/*Childchild;Parent*pJNULL;p=fechild;child,print();child.Parent::print();*/system("pause");return0;
263)᱄@ᑏḄ;ᦪ®ᯠ$%°±²³´µ@ᑏḄ;ᦪ¶◚¸᱄@Ḅ;ᦪ¹º»ᵨ¼ᑖ¾¿::+,ᑮ᱄@◚¸Ḅ;ᦪC/C++Á☟ÃÄÅÆᙠÃÄ56ÃÄᘤÈÉ᪷Ëᢣ┐ḄᑨÏᢣᔣḄÁ'(᪵Ḅ*//*1ஹᙠÃÄÒ;ᦪḄ56ÃÄᘤÓSÔ⍝ᢣ┐PÖ×ᢣᔣO2ஹÃÄᘤØᨵᳮᵫÚ┯3ஹÜÁ6ÃÄᘤ²ÝᨬßᐰḄáÁÃÄᑮ᱄Ḅprint;ᦪ6âÝ᱄/ã äᨵCḄprint;ᦪ*/☢ᔣ ◤jᡃç'(᱄6é᱄Ḅprint;ᦪᡃç'(6éḄprintf;ᦪêḄcâ_`abឋcᑣ⍗;ᦪᑏ]Ḅ'(
264//IØᨵᳮᵫÚ┯28ᵨ;ᦪᩭì6ᙠÃÄᘤÃÄí6ᡃîï O6ð(;ᦪḄñᦪÁp,ÁParentḄ3☟òÃnó@ôᑨÏÁÓÁ)õᙠ/*ᙠ'(ö☢S;ᦪ÷$%Ḅ³´µ6ᑏ÷Ó' ᑏḄ ☟ὶÃ÷ÁÉὶÃ*/#includeusingnamespacestd;classParent(public:voidprint()cout«"Parent:print()do..."«endl;
265));classChild:publicParent(public:voidprint()(cout«"Child:print()do..."«endl;)/*1ஹᙠÃÄÒ;ᦪḄ56ÃÄᘤÓSÔ⍝ᢣ┐pÖ×ᢣᔣO2ஹÃÄᘤØᨵᳮᵫÚ┯3ஹÜÁ6ÃÄᘤ²ÝᨬßᐰḄáÁÃÄᑮ᱄Ḅprint;ᦪ6âÝ᱄/ã äᨵCḄprint;ᦪ*/voidhowToPrint(Parent*p)(p->print();)voidrun00()
266Childchild;Parent*pp=&child;Parent&rp=child;//child.print();¹ºᢣ┐//pp->print();¹º\ᵨ//rp.print();howToPrint(&child);)intmain01()(runOO();/*Childchild;Parent*p=NULL;p=&child;child.print();child.Parent::print();
267*/system("pause");return0;}4.1.2☢ᔣ ◤jÃÄᘤḄáÓÁᡃùíúḄ᪷Ë▭ḄᩭᑨÏᑏ;ᦪḄ8ᵨ᱄ᢣ┐ᢣᔣḄÁ᱄ᑣ8ᵨ᱄@ Ḅ;ᦪ᱄ᢣ┐ᢣᔣḄÁᑣ8ᵨ@ Ḅᑏ;ᦪ☢ᔣ@Ḅ)᪷Ë▭Ḅ2 ;ᦪ8ᵨÅüḄᐹþ8ᵨÿ᪗uoidprint()-ᔣ᱄'cout«,,I,nParent...,,<p->print();-uoidprint()ᔣ᪵ḄᵨᨵḄ⊤4.1.3 ᫀ>C++!"virtualᐵ$%&'(ᢝ>+ᵨvirtual,-Ḅ.ᦪ01ᑏ3ᓽ56ᱯឋ
2684.1.49:#include"iostream"usingnamespacestd;classHeroFighter(public:public:virtualintackPower()(return10;)};classAdvHeroFighter:publicHeroFighter(public:virtualintackPower()(returnHeroFighter::ackPower()*2;)};
269classenemyFighterpublic:intdestoryPower(){return15;));>?@AB᪀DᙠFGH☢ᑏJKA᪾MN5OᵨᡃḄQ3RᡊTRṹVḄWXYZ᪾MVḄWX᪾Mᨵ+ᵨ3ᩭ]ᑏḄRṹḄ^_☢ᔣ3ᜧᭆb/*efgẚJCi.ᦪḄᭆbjkRṹlᵨᡃlᵨmᩭᑏnḄRṹ5O+ᵨoᩭ80pRᑏJKA᪾M90]ᑏḄRṹ
270qᡃrst'uvwḄKAx᪗////*///voidobjPK(HeroFighter*hf,enemyFighter*enemyF)(if(hf->ackPower()>enemyF->destoryPower())(printf("{|ᡭ~]…ᑭ
271");)else(printf("{|ᱨ
272“);}}voidmain()(HeroFighterhf;enemyFighteref;objPK(&hf,&ef);AdvHeroFighteradvhf;
273objPK(&advhf,&ef);systemCpause*');4.1.5☢ᔣ3ᜧᭆb/*efgẚJCi.ᦪḄᭆbjkRṹlᵨ…ᡃlᵨmᩭᑏnḄRṹ5O+ᵨoᩭ80pRᑏJKA᪾M90]ᑏḄRṹqᡃrst'uvwḄKAx᪗ᑏJKA᪾MN5Oᵨ3ᩭ]NᑏḄRṹḄ^_////*/4.1.6ᡂḄᩩtXᡂḄ3Aᩩt//IA
274//2ᐵὶ3*pᡂḄAᩩt//I⌕ᨵjk2⌕ᨵ.ᦪ1ᑏC.ᦪ3⌕ᨵ᱄ᢣ┐᱄¡ᵨ¢ᢣᔣq£¤¥¦Ḅ§ẠNq᪾MḄ§Ạ4.1.7Ḅᳮª§Ạ01☟ὶ¬Fὶ¬1ஹὶ¬qᢣKA¯¥ᙽஹRṹ±X²³ᐵὶḄ"2ஹ☟ὶ¬staticbinding ,q¯Ḅᓛµஹ¶ᙠ¬·▤¹9Nº»¼½¾ᓛµ1¿.ᦪ+ᵨ☟ὶ¬3ஹFὶ¬qᢣ¯ὶ¬ÀÁᑮÃ'W&'NᡠOÅ»¼Y¾ὶ¬ÁÆ¢switchifqFὶ¬Ḅ:4ஹᳮªὶÇ9▭1ஹC++ÉC³Nq☟¬·Êi2ஹᙠ¬·WN¬·ᘤÌF᪷Îᢣ┐ḄÊᑨÐᢣᔣḄqKAÑÒ᪵Ḅ;ᡠO¬·ᘤÓ¼᱄ᢣ┐ᢣᔣḄq᱄3ஹᵫZ¯ÕᨵÃ'NᡠO5^Ö⍝᱄ᢣ┐ᢣᔣḄᐹÙq᱄ÚqÛ¯ÜᐰḄÞßN¬·ᘤᎷ£᱄ᢣ┐áᢣᔣ᱄Nâ㬷ḄB>¼ᵨ᱄Ḅᡂᕒ.ᦪ@ᱯឋåq☟ὶ¬
2754.2³ᐵ☢æ⚪☢æ⚪1:èééêḄᳮ Ḅ9ᦔ>᪵ḄᵨᨵḄ⊤;9ḄAᩩtᨵjkஹᨵvirtual1ᑏஹᨵ᱄ᢣ┐¡ᵨ¢ᢣᔣḄC++9virtualᐵ$%Nìí¬·ᘤ@A.ᦪ⌕(ᢝ;q᪷Îᢣ┐ÊᑨÐîᵨ;ïq⌕᪷Îᢣ┐ᡠᢣᔣḄ9▭ÊᩭᑨÐîᵨḄᳮª§ẠFὶ¬PK☟ὶ¬᪷Î9▭ḄÊᩭᑨÐ1ᑏ.ᦪḄᵨḄ1⌕£¤¥¦Ḅ§Ạq᪾MḄ§ð9Ḅᳮª§Ạ.ᦪᢣ┐ñ.ᦪòᦪC.ᦪᢣ┐qC++óôõöḄ₫ὀC.ᦪᢣ┐Kùᨵᵨúûஹü¢mᳮýþÉ☢æÿ ☢⚪2C++ᘤC++ᘤᳮ☢⚪3ᑏᳮᦪ
276 ᙠ!"#$%&'($)*᱄$Ḅᦪ᱄$!-ᦪ./-0⌚2ᙠ34᪷67ᦪ$89#ᦪ:;ᦪ<ᵨᦪᑏ >?@᱄$A($B4CD᱄$A($%Ḅᦪ ᨵFᐰH!Ḅ8IᵨvirtualJKBLMNO?PQRIᵨvirtual,ST;UVᙠW'34᪷6ᐹYZḄ$8:;ᦪ<ᵨ#includeincludeusingnamespacestd;classParentOl(public:ParentOl()(cout«"Parent01:printf()..do"«endl;)public:virtualvoidfunc()
277cout«"Parent01:voidfunc()"«endl;)virtualvoidfunc(inti)(cout«"Parent:voidfunc(inti)"«endl;)virtualvoidfunc(inti,intj)(cout«"Parent:voidfunc(inti,intj)"«endl;))[classChildOl:publicParentOl(public:]ᜐ2#7ᦪ9($funcᦪ_`ᐵbvoidfunc(inti,intj)cout«"Child:voidfunc(intiintj)"«""«i+j«endl;z)
278]ᜐ3#7ᦪḄ9($funcᦪ_`ᐵbvoidfunc(inti,intj,intk)(cout«HChild:voidfunc(intiintj,intk)"«""«i+j+k«endl;z})[voidrun01(Parent01*p)(p->func(l,2);)intmain()(ParentOlp;p.func();p.func(l);p.func(l2);zChildOlc;c.func();c⚪1c.ParentOl::func();
279c.func(l,2);run01(&p);run01(&c);system("pause");return0;}c⚪1dchildZef᱄$ZḄfunc,gchijMW'ᔩlwhyc.func();mn-0⌚2C++ᘤRop᱄$%qr0#7ᦪḄfuncᦪsoᙠ($%rfuncᦪ//I($u☢Ḅfunc)*᱄$u☢Ḅfunc2v᱄$9($ᨵH!Ḅᦪ-ஹxy-z>?-0⌚2(($Ḅᦪ-⌚2|᱄$Ḅᦪ-)//3//c.Parent::func();c⚪2($Ḅ~#func9᱄$uḄ#funcᦪ_`ᐵbl
280☢⚪4ᔲ$Ḅ#ᡂᕒᦪJKnᦪn_`oC++ᘤᳮ☢⚪5᪀⌼ᦪ%<ᵨᦪMᔩln_`lC++ᘤᳮ☢⚪6ᦪ⊤ᢣ┐(VPTR)/ᘤᓄḄᳮḄlC++ᘤᳮ☢⚪7᱄$Ḅ᪀⌼ᦪ%<ᵨᦪM>?ᔩlC++ᘤᳮ☢⚪8n_`⌕;U᪆᪀ᦪlᙠ_`vJKᦪ>᪀⌼ᦪRMᦪ"#?$Z $Ḅ᪷Ḽef¡¢⌲#<ᵨ¤$Ḅ᪀⌼ᦪ>᪆᪀ᦪ¥Ḅ᪆᪀ᦪᵨ@ᢣ¦deleteW§¨©ª᪆᪀«Z
2818-4᪆᪀3ᦪᙠᑤ◀cd?YḄ@ᵨ#includeclassA{public:QA(){cout«"A::QA()iscalled.
282";}᪆᪀ᵫ¤$ᢣ┐Ḅ?$ZclassB:publicA{public:°ᨵ<ᵨ?$᪆᪀ᦪQB(){cout«"B::¬iscalled.
283"voidmain(){A*Ap=newB;B*Bp2=new/;cout«”delᰄfirstobject:
284";deleteAp;cout«"deletesecondobjecr:
285":deleteBp2:}8-4᪆᪀3ᦪᙠᑤ◀cd?YḄ@ᵨ#inchideclassA{public:QA{cout«"A::-AQiscalled.
286";})(classB:publicA᪆᪀ᵫ?$ᢣ┐Ḅ?$Z{public:QB(){cout«"B::-B0i/called.
287"©ª<ᵨ?$᪆᪀ᦪvoidmainO{A*Ap=newB;B*Bp2=newB;cout«"deleteobject:
288";deleteAp;cout«”delegsecondobject:
289";deleteBp2;)
290ᐸ³᱄$ᢣ┐9($ᢣ┐Ḅ´µ1)¶·1dᢣ┐¸s"¹ᦪ6$8C++$ZḄᢣ┐P++/-,ºᯠᵨ2)ᢣ┐W§ᢥ᯿ᢣ┐ᡠᢣḄ$8&'ḄP++¿=Áp=p+l//p=(unsignedint)basep+sizeof(*p)´µ3)Âd᱄$p++A($p++´µR![R⌕ÃÄR⌕ᵨ᱄$ᢣ┐++ÆÇÈÉᦪÊ4.3ᳮËÌᳮÍÎd>v$%JKᦪᘤoᙠ$%?ᡂ"#ᦪ⊤>ᦪ⊤"#ÏÐ$ᡂᕒᦪᢣ┐Ḅᦪ6Â᪀>ᦪ⊤ᵫᘤÑ«?ᡂAÒÓḄ>virtualᡂᕒᦪo/ᘤÔᐭᦪ⊤%>vÏᙠᦪ#Z%ᨵ"#ᢣᔣᦪ⊤Ḅᢣ┐(C++ᘤ×᱄$Zஹ($ZØÙÚÛvptrᢣ┐[v&'howToPrint(Parent*base)ᦪC++ᘤR◤⌕Ýᑖ($Zᡈὅ᱄$Zs◤⌕ábaseᢣ┐%rvptrᢣ┐ᓽ)
291>VPTR"ãÉn$ZḄä"#ᡂᕒ4.3.1ḄᳮC++%Ḅᳮv$%JKᦪᘤoᙠ$%?ᡂ"#ᦪ⊤ᦪ⊤"#ÏÐ$ᡂᕒᦪᢣ┐Ḅᦪ6Â᪀ᦪ⊤ᵫᘤÑ«?ᡂAÒÓḄvirtualᡂᕒᦪo/ᘤÔᐭᦪ⊤%Ïᙠᦪ#Z%ᨵ"#ᢣᔣᦪ⊤Ḅᢣ┐(vptrᢣ┐)classParent(public:virtualuoidFunc()VTABLEvoidParent::func()virtualuoidFunc(inti)åvoidChild::func()virtualuoidFunc(inti)(cout<<*'Child::func(inti),B<292uoidrun(Parent*p)pVPTR-------->VTABLEp->Func();voidParent::func()voidParent::func(inti)æK1:çᦪ⊤ᢣ┐VPTR<ᵨᑏᦪᙠèW'&'Ḅm]◤⌕çqᙬÈÉêMª;ë©ì<ᵨḄᦪíîçᡂᕒᦪᙠïª;|<ᵨḄᦪᙠᦔ᳛òᦪḄᦔ᳛⌕óôæK2dz@ᦔ᳛ὃ⇋°ᨵ ⌕.ᡠᨵᡂᕒᦪJKnᦪæK3:C++ᘤ'HowToPrintᦪR◤⌕Ýᑖ($Zø᱄$Z
293ParentvirtualParentpl;4/UVWXYZ[Childcl;howToPrint(ftpl),howToPrint(&cl)cout«*hello.*«endl,system("pause").return.virtualbase-\]p$^_ᘤᙠbcᙢe⌕gVWhᢝjᩭ᱄ lE᱄ lḄ+ᦪ(jᩭ lE lḄ+ᦪ3%&'⊇ᗩ*+,-.*┿0:23456+78*9:;<=>•@ᡈὅ᱄=>D2opqr+ᦪst᪷. v.ᙠ☟ὶzḄF{|}~⌕)ᵨḄ+ᦪ4.3.2GHIvptrᢣ┐ḄMᙠ#includeusingnamespacestd;classA(public:voidprintf()cout<294};classB(public:virtualvoidprintf()(cout<295Tsizeof(A),sizeof(B));cout«*hello...*«endl;system("pause");return;)
29643.3᪀⌼hᦪp9qᵨghᦪTstuᔩ1>xpḄVPTRᢣ┐yz{}~ᓄ?>xᙠḄ{Tᵫ_`ᘤ>VPTRᢣ┐~ᓄᨵ>xḄ᪀⌼ᐰVPTRḄᢣᔣᨬ᱄=>xḄVPTRᢣᔣ᱄=ghᦪ⊤<=>xḄVPTRᢣᔣ<=ghᦪ⊤2 ᑖ᪆ᑖ᪆᱄ +ᦪ⊤2E᱄ Ḅ᪀⌼+ᦪḄFcl.vptrᢣᔣ᱄ Ḅ+ᦪ⊤᱄ Ḅ᪀⌼+ᦪEel.vptrᢣᔣ Ḅ+ᦪ⊤3? Ḅcl.vptrᢣ┐ᑖᡂ=== l᪀⌼Fᙠ᱄ Ḅ᪀⌼+ᦪ)ᵨ+ᦪI.
2975ஹghᦪx=5.1ᭆ¢+ᦪl +ᦪpcᙠ CḄ+ᦪᙠ ᨵ~K⌕ ~KḄ᱐+ᦪᔜ X¢cᐳ¤☢t¦Ḅ§¨©ªஹ¬Ḅ®ᙽ°Hᑜᑖ+ᦪC² virtualᦪ³ᦪ⊤=0;“cᐹᨵ+ᦪḄ l classpoint{/*.......*/};classshape{pointcenter;public:pointwhere(){retiuncenter;}voidmove(pointp){enter=p;draw();}virtualvoidrotate(int)=0;ᦪvirtualvoiddra^v()=0;ᦪ}$shapex;//error,shape*p;//ok, Ḅᢣ┐shapef();//error,!"#$voidg(shape);//error,!"%ᦪshape&h(shape&);//ok, Ḅ&ᵨ
298classclassshape$//XY?{pointcenter;£public:⌕abcircleᡂ¶l pointwhere(){reninfc?·¸0¹ºC£voidmove(pointp/{enclassabcircle:publicshapete()virtualvoidrotate(int{intradius;virtualvoiddraw()=0};/public:voidrotate(int);voiddraw();classabcircle:public)({intradius:»X¢abcircle::draw()public:voidrotate(int)abcircle::rotate(int)Ḅ~K)(5.2x=ᫀ¦classfigureqᓫ?{protected:doublex.y;public:voidset_dim(doublei.doublej=0){x=i;y=j:}virtualvoidshowareaO=0;3ᦪ}$classtriangle:publicfigure{public:void{cout«<'*TVia»glewithbi§andbase«'*hasanareaM”};)classsquare:publicfigure{public:voidshowareaO(couf«MSquairewithdimension**<299#include//figure.h#include2figm-e.h,'classfigure{protected:doublex.y;voidmainOpublic:voidset_dim(doublei.double{figure*p;//noXY?ᢣ┐virtualvoidshowareaOtrianglet;)squares;classtriangle:publicfigureckclec;{public:P=&t;voidp->$et__dim(10.0£5.0)$//triangle::setjdim(){withhiglp->show_area();p=&s;classsquare:publicfigurep->set_dim(l0.05.0);//square::sgtjHni(){public:rp->show_area();vt»idshowareaO{co»iF«*'Squar«withdinp=&c;} p->set_dim(9.0);//circle::setjdim()classcircle:publicfigurep->show_areaO£{public:voidshowareaO{couK<**CirctewcouKv”hasana});5.3x=ᙠu²³pḄ´ᵨC++pµᨵJavapḄ¶·ᭆ¢Tx=¸¹º»JavapḄ¶·=¼¶·½¾¿5.3.1ᨵᐵu²³ḄÀIÁZḄu²³}s▭ÃÄÅÆÇÈḄu²³ÁÃÄpÉÊËÌZḄu²³ÍÎÏÐ}ÑᵨḄuÒ²³ÓᩭḄÕṹ×ᩖឋÚuÛᐸÓᩭḄÝᑭuÒ²³>ÕṹßàឋZḄáâÍãäឋḄᙠåæçèZTéGu²³ê¸¹ᵨᓫ²³Õìu²³pḄíÌឋu²³Ð9îïḄð⚪
300□fe¼½H¾¿¼J½ᨚFÁ¾¿5.3.2u²³Ḅ´ᵨòóC++pÍᔲᨵJavapḄ¶·ᭆ¢õöᜧuᦪ☢ᔣ>xùúêÐûᢝu²³öᜧuᦪ☢ᔣ>xùúêûᢝ¶·Ḅᭆ¢C++pµᨵ¶·Ḅᭆ¢C++p¸¹Ñᵨghᦪst¶·¶·=pᨵhᦪýþÌTµᨵéGᦪÿḄclassInterface(public:virtualvoidfuncl()=0;virtualvoidfunc2(inti)=0;virtualvoidfunc3(inti)=0;▭ᩭឋᩖឋ ⚪ !"#$%&ᵨᓫᩭ)*
301+,-./01234-0156+◤⌕᪷:012015include"iostream"usingnamespacestd;/*C++;<ᨵḄᭆ?C++; @ᵨABCᦪ5+;,ᨵCᦪEF3<ᨵGHᦪ:Ḅ*/classInterfacel(public:virtualvoidprint()=0;virtualintaddfinta,intb)=0;classInterface2(public:virtualvoidprint()=0;virtualintadd(inta,intb)=0;virtualintminus(inta,intb)=0;
302);classparent(public:inta;)classChild:publicparent,publicInterfacel,publicInterface2(public:voidprint()(cout«HChild::print"«endl;}intadd(inta,intb){returna+b;)intminus(inta,intb)returna-b;)
303);intmain()(Childc;c.print();cout<add(7,8)«endl;cout«i2->add(7,8)«endl;system("pause");5.4JK+LMNOᓄQᑏ./C++S3&TSᕒ(programmer)W1⌕X1&TYZ[Sᕒ(junior_programmer);[Sᕒ(mid_programmer)\[Sᕒ(adv_programmer)ḄW2⌕XᑭᵨJK+^._☢3abSḄd3e:hi3&Tj᪀l(architect)ḄW
304*/5.5☢ᔣJK+QopOᓄᳮrLMsBCᦪឋ@ᡂᕒCᦪ᪷:vᵨwKḄ+FxyzḄ{|sឋᱯ~〉ᔠ5ᑖ᪀Ḅ^3bw ⚪JKᐳឋ35~s☢ᔣJK+Q☢ᔣQ-⚗;⌕ᢈ1.5.4.1ᫀsocketC++F%&5^᪾jᡂaxᫀ¡¢.£Ḅ^¤ᨵᡂ¥Ḅ᪾j᪾j.£y¦ᓄ31§ᵫḄᡂaᔆᖪḄxᫀ◤X«¬ᙠ^᪾j;ᡂaᔆᖪḄSocket!xaᔆᖪ®¯xaᔆᖪḄSocket!x°ᡂ±N²Ḅ!aᔆᖪ®¯x°ᡂᦪ:〈®¯ᦪ:´¯´¯
305ᫀ⌕X1)1µᢝ/ᔆᖪḄSocket!xᐭ¸2)1µᢝ/aᔆᖪ®¯xḄᐭ¸3)^᪾j¹᧕y᪾j◤X5oὃ1^᪾jஹaxHᑖoὃ2^᪾j3H§ᵫᡂax(%&ᙽ⌕X¾ஹ⌕X¿)oὃ3ᑖᡂÁ3^᪾jḄSᕒ3ÂÃÄÅÆÇaxᐭ¸ÂÃÄÅÆÇQṹ5ᑖ᪆ᨵÊ/+CSocketProtocolCSckFactorylmplCSckFactorylmp2CEncDesProtocolHwEncdesciscoEncdes1ஹCSocketProtocolJK+2ஹQᑏ᪾jCᦪ3ஹQᑏ᪾jËÌCᦪ4ஹᔆᖪ1(CSckFactorylmpl)5CSocketProtocolஹᔆᖪ2(CSckFactorylmpl)5CSocketProtoco5ஹJK®¯(CEncDesProtocol)ஹ®¯ᔆᖪ1(CHwImp)ஹ®¯ᔆᖪ2(CCiscoImp)),ᡂ5ÍF6ஹ᪾j(cÎÏCᦪaÐ3᪾jCᦪC+++aÐ3᪾j+)Ñ/⌕Ḅ☢ᔣwKop-Óᔠ(OÔ)Õᐭ
306ÖᑴØÙIOCMVC☢ᔣwKopdaopopaopop-wQopḄᨵÚḄ⊡ᐙ5.4.2ᫀ&TᕒW5.4.3ᫀ&TÑHÝḄ⊤☢ßÝß5.6C☢ᔣQCàáâãäᜩæᑁè3é®êëᡊ3íîÎïop¤ðñ3«òᕒ¿óoôæÁ®Oõör,⌕¬{÷3øùè᧕ö5.6.1Cᦪ+FÎïúẠCᦪ⌕üýþஹÿᦪஹcḄᦪᨵᱯḄCtypedefᦪtypedeftypename(parameterlist)typedefintf(int,int);typedefvoidp(int);ᦪᢣ┐ᦪᢣ┐ᵨᢣᔣ ᦪ
307ᦪ ᦪḄᐭ"ᙢᙬ1)%ᦪ&ᦪᢣ┐:FuncType*pointer;2)(%)*+&,type(*pointer)(parameterlist);pointerᦪᢣ┐-.typeᢣᔣᦪḄparameterlistᢣᔣᦪḄ/ᦪᑡ⊤ᦪᢣ┐23ᳮᦪᦪᢣ┐ᦪᢣ┐-.ᦪ6ᢣ┐23ᳮᦪ62ᦪ6ᢣ┐ᦪ6ᢣ┐-.typedefint(FUNC)(int);inttest(inti)(returni*i;)
308voidf()(printf("Callf()...
309");}intmain()(FUNC*pt=test;void(*pf)()=&f;pf();(*pf)();printf("Functionpointercall:%d
310",pt(3));5.6.2ᦪᢣ┐7ᦪ/ᦪ1ஹᢣ┐7ᦪ/ᦪpkᦪᢣ┐7ᦪ/ᦪ8ᢣ┐7ᦪ/ᦪ 9ᢣ┐7ᦪ/ᦪஹ:9<=92ஹᦪᢣ┐7ᦪ/ᦪ>ᦪᢣ┐7ᦪḄ/ᦪ?@⌴B CDᵨᦪ,CDᵨᦪF%)G ᢣ┐DᵨIḄᦪ?GFJᡂLD
3113ஹMNintadd(inta,intb);intlibfun(int(*pDis)(inta,intb));intmain(void)(int(*pfun)(inta,intb);pfun=add;libfun(pfun);intadd(inta,intb)(returna+b;intlibfun(int(*pDis)(inta,intb))(inta,b;a=1Ob=2;add(l,3)*+Dᵨaddᦪ
312printf("%d",pDis(a,b));ᦪᢣ┐7ᦪ/ᦪ?P+DᵨaddᦪQὃG᪵ᑏpDisfa,b)ᨵUVWᜐY)ᒈ᪆Q\:LᦪḄDᵨ]ᦪḄ^_ᨵᦔḄᑖb2C++Ḅc?%f_ᙠGh ᦪ ᙠi ᦻk>Ꮇintlibfun(int(*pDis)(inta,intb)) nḄᦪ?FoᨵpᵨDL?ᦪᢣ┐/ᦪqIᦪᙢᙬ@ᐭᩭ^_DᵨᦪaddḄsṹuLvᦋ?(xyᦋznḄsṹ?F%){|^_Dᵨ}~Ḅ]ᓣ9DᦪQ:
313+ᦪᢣ┐ ÃÄᑮḄ0ᵨ +ᦪḄ³ᦪஹ+ᦪÅÆÇXYÈ~,DᦪḄ,7L ḄᦪḄ/ᦪஹᦪQὃ•,Cᘤ ᐹḄ2?^_ᔠḄYC++ᘤcḄᑴvptrᢣ┐]ᦪ⊤?ᦪᐭ"ᙢᙬᩭ^_5.6.3ᦪᢣ┐{ᔣDᵨ1ஹᦪᢣ┐7ᦪ/ᦪ?Dᵨ¡CDᵨᦪ]¢Dᦪᙠi ᦻkᵨᩭᦟ¤?¥ᨵ¦§¨&2ஹᦪᢣ┐7ᦪ/ᦪCDᵨᦪ]¢Dᦪxᙠi ᦻkஹ©ᙽ«¬,ᳮCDᵨᦪ UVᑴCDᵨᩭḄ᪾¯᪾¯°±LCDᵨᦪḄᐭ"᪾¯²L³=©ᙽᐭ"ᙢᙬḄ´ᡂµ¶᪾¯ᐹᜓDᵨ³=©ᙽᐭ"ᦪ3ஹMNtypedefint*EncDataFunc unsignedchar*inData,intinDataLen,unsignedchar*outData,int
314*outDataLen,void*Ref,intRefLen);intMyEncDataFunc(unsignedchar*inDataJntinDataLen,unsignedchar*outData,int*outDataLen,void*Ref,intRefLen)(intrv=0;char*p="222222222222";strcpy(outData,p);*outDataLen=strlen(p);returnrv;)intSend_Data(EncDataFuncencDataFunc,unsignedchar*inData,intinDataLen,unsignedchar*outData,int*outDatalen)(intrv=0;if(encDataFunc!=NULL)(rv=encDataFunc(inData,inDataLen,outData,outDatalen,NULL,0);if(rv!=0)(printf("funcencDataFunc()err.
315H);returnrv;)
316)returnrv;)intmain()(intrv=0;EncDataFuncencDataFunc=NULL;encDataFunc=MyEncDataFunc;//³ Dᵨ{unsignedcharinData[2048];intinDataLen;unsignedcharoutData[2048];intoutDatalen;strcpy(inData"1111");zinDataLen=strlen(inData);rv=encDataFunc(inData,inDataLen,outData,&outDatalen,NULL,0);if(rv!=0)(printf("edferr..…
317");}
318elseprintf("edfok
319");printf("%s
320",outData);)}(unsignedcharinData[2048];intinDataLen;unsignedcharoutData[2048];intoutDatalen;strcpy(inData,"3333");inDataLen=strlen(inData);rv=Send_Data(MyEncDataFuncinData,inDataLen,outData,&outDatalen);zif(rv!=0)(printf("funcSend_Dataerr:%d",rv);returnrv;)printf("%s
321",outData);)getchar();
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