2015-2020年中国建筑用石材行业市场调查及投资运行态势报告

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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);}}classChinaPeopleex

2、tendsPeople{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(){System.out.println("坐如钟，站

3、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.out.println("American'saverageweigh

4、t:"+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(){weight=70;System.out.println("北京人的平均体重:"+weight+"千

5、克");}publicvoidbeijingOpera(){System.out.println("花脸，青衣，花旦和老生");}}publicclassExample{publicstaticvoidmain(Stringargs[]){ChinaPeoplechinaPeople=newChinaPeople();AmericanPeopleamericanPeople=newAmericanPeople();BeijingPeoplebeijingPeople=newBeijingPeople();chinaPeople.speakHell

6、o();americanPeople.speakHello();beijingPeople.speakHello();chinaPeople.averageHeight();americanPeople.averageHeight();beijingPeople.averageHeight();chinaPeople.averageWeight();americanPeople.averageWeight();beijingPeople.averageWeight();chinaPeople.chinaGongfu();americanPeopl

7、e.americanBoxing();beijingPeople.beijingOpera();beijingPeople.chinaGongfu();}}银行计算利息classBank{intsavedMoney;intyear;doubleinterest;doubleinterestRate=0.29;publicdoublecomputerInterest(){interest=year*interestRate*savedMoney;returninterest;}publicvoidsetInterestRate(doublerate

8、){interestRate=rate;}}classConstructionBankextendsBank{doubleyear;pu