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大小:44.00 KB
页数:8页
时间:2018-07-28
《java2实用教程第四版实验 清华大学出版社5-1 5-2(北华大学吕磊)》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、实验5-1classPeople{protecteddoubleweight,height;publicvoidspeakHello(){System.out.println("yayayaya");}publicvoidaverageHeight(){height=173;System.out.println("averageheight:"+height);}voidaverageWeigh(){weight=70;System.out.println("averageweight:"+weight);}}classC
2、hinaPeopleextendsPeople{publicvoidspeakHello(){System.out.println("您好");}publicvoidaverageHeight(){height=168.78;System.out.println("中国人的平均身高:"+height+"厘米");}publicvoidaverageWeight(){weight=65;System.out.println("中国人的平均体重:"+weight+"千克");}publicvoidchinaGongfu(){S
3、ystem.out.println("坐如钟,站如松,睡如弓");}}classAmericanPeopleextendsPeople{publicvoidspeakHello(){System.out.println("Howdoyoudo");}publicvoidaverageHeight(){height=176;System.out.println("American'saverageheight:"+height+"cm");}publicvoidaverageWeight(){weight=75;System
4、.out.println("American'saverageweight:"+weight+"kg");}publicvoidamericanBoxing(){System.out.println("直拳,勾拳,组合拳");}}classBeijingPeopleextendsChinaPeople{publicvoidaverageHeight(){height=172.5;System.out.println("北京人的平均身高:"+height+"厘米");}publicvoidaverageWeight(){we
5、ight=70;System.out.println("北京人的平均体重:"+weight+"千克");}publicvoidbeijingOpera(){System.out.println("花脸,青衣,花旦和老生");}}publicclassExample{publicstaticvoidmain(Stringargs[]){ChinaPeoplechinaPeople=newChinaPeople();AmericanPeopleamericanPeople=newAmericanPeople();Beijing
6、PeoplebeijingPeople=newBeijingPeople();chinaPeople.speakHello();americanPeople.speakHello();beijingPeople.speakHello();chinaPeople.averageHeight();americanPeople.averageHeight();beijingPeople.averageHeight();chinaPeople.averageWeight();americanPeople.averageWeight
7、();beijingPeople.averageWeight();chinaPeople.chinaGongfu();americanPeople.americanBoxing();beijingPeople.beijingOpera();beijingPeople.chinaGongfu();}}银行计算利息classBank{intsavedMoney;intyear;doubleinterest;doubleinterestRate=0.29;publicdoublecomputerInterest(){intere
8、st=year*interestRate*savedMoney;returninterest;}publicvoidsetInterestRate(doublerate){interestRate=rate;}}classConstructionBankextendsBank{doubleyear;pu
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