java程序设计第二版)课后习题答案.pdfVIP

java程序设计(第二版)课后习题答案

//习题2.2importjava.util.*;classMyDate{privateintyear;privateint

month;privateintday;

publicMyDate(inty,intm,intd){//构造函数，构造方法year=y;

month=m;day=d;

}//endpublicMyDate(inty,intm,intd)publicintgetYear(){//返回年

returnyear;}//endgetYear()

publicintgetMonth(){//返回月returnmonth;}//endgetMonth()

publicintgetDay(){//返回日returnday;}//endgetDay()}//end

classMyDateclassEmployee{

privateStringname;privatedoublesalary;privateMyDate

hireDay;

publicEmployee(Stringn,doubles,MyDated){name=n;

salary=s;hireDay=d;

}//endpublicEmployee(Stringn,doubles,MyDated)publicvoid

print(){

名字名字工资工资雇佣年份雇佣年份}//endprint()

publicvoidraiseSalary(double

byPercent){salary*=1+byPercent/100;}//end

publicinthireYear(){returnhireDay.getYear();}

}//endclassEmployeepublicclassMyTestClass{

publicstaticvoidmain(String[]args){Employee[]staff=new

Employee[3];

staff[1]=newstaff[1]=newstaff[2]=newstaff[2]=newint

integerValue;

for(integerValue=0;integerValue

for(integerValue=0;integerValue}//endclassMyTestClass//习题2.4import

java.util.*;

publicclassDataType{

publicstaticvoidmain(String[]args){booleanflag;char

yesChar;bytefinByte;intintV