java基础练习程序

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1、1.ArgsWords.javaimportjava.util.*;〃自动装包拆包publicclassArgsWords{publicstaticvoidmain(String[]args){Mapml=newHashMapO;for(inti=O;i

2、n(ml.size()+"distinctwordsdectected:1');System.out.println(ml);}}2.BasicGeneric.javaimportjava.util.*;〃泛型publicclassBasicGeneric{publicstaticvoidmain(String[]args){ListLI=newArrayList();Ll.add("aaa")；Ll.addC'bbb");Ll-addC^cc");for(inti=O;i

3、ze();i++){Strings=Ll.get(i);System.out.println(i);}Collect!onvString>c=newHashSet();c.add("aaa");c.add("bbb");c.add("ddd");for(lteratorit=c.iterator();it.hasNext();){Strings=it.next();System.out.println(s);}}}classMyNameimplementsComparable

4、me>{intage;publicintcompareTo(MyNamemn){讦(this.age>mn.age)return1;elseif(this.age

5、;}System.out.println("")；Collectionc=newArrayList();c.add("aaa");c.addf'eee");c・add(”ff”);for(Objecto:c){System.out.print(o+"");}}}2.TestArgsWords.javaimportjava.util.*;publicclassTestArgsWords{privatestaticfinalIntegerONE=newInteger(l);publicstaticvoidmain(S

6、tring[]args)Mapm=newHashMapO;for(inti=O;i

7、java.util.*;publicclassTestArgsWords2{privatestaticfinalIntegerONE=newInteger(l);publicstaticvoidmain(String[]args){Mapm=newHashMap();for(inti=O;i

8、;}System.out.println(m.size()+“distinctwordsdected:11);System.out.println(m);}6・TestAutoBoxing.javaimportjava.util.*;动装包、拆包publicclassTestAutoBoxingpublicstaticvoidmain(Stri