java程序設(shè)計(辛運幃饒一梅馬素霞第二版)課后習(xí)題答案

1、第二章第二章習(xí)題習(xí)題2.2imptjava.util.classMyDateprivateintyearprivateintmonthprivateintdaypublicMyDate(intyintmintd)構(gòu)造函數(shù)，構(gòu)造方法year=ymonth=mday=dendpublicMyDate(intyintmintd)publicintgetYear()返回年returnyearendgetYear()publicintgetMon

2、th()返回月returnmonthendgetMonth()publicintgetDay()返回日returndayendgetDay()endclassMyDateclassEmployeeprivateStringnameprivatedoublesalaryprivateMyDatehireDaypublicEmployee(StringndoublesMyDated)name=nsalary=shireDay=dendpub

3、licEmployee(StringndoublesMyDated)publicvoidprint()System.out.println(“名字:“name“n工資:“salary“n雇傭年份:“hireYear()“n“)endprint()publicvoidraiseSalary(doublebyPercent)salary=1byPercent100endpublicinthireYear()returnhireDay.get

4、Year()System.out.println(“長整型變量longValue=“l(fā)ongValue)System.out.println(“短整型變量shtValue=“shtValue)System.out.println(“浮點型變量floatValue=“floatValue)System.out.println(“雙精度浮點型變量doubleValue=“doubleValue)endmain()習(xí)題習(xí)題2.9imptjav

5、a.util.classPubTest1privateintivar1privatefloatfvar1fvar2publicPubTest1()fvar2=0.0fpublicfloatsum_f_I()fvar2=fvar1ivar1returnfvar2publicvoidprint()System.out.println(“fvar2=“fvar2)publicvoidsetIvar1(intivalue)ivar1=ivalu

6、epublicvoidsetFvar1(floativalue)fvar1=ivaluepublicclassPubMainTestpublicstaticvoidmain(String[]args)PubTest1pubt1=newPubTest1()pubt1.setIvar1(10)pubt1.setFvar1(100.02f)pubt1.sum_f_I()pubt1.print()習(xí)題習(xí)題2.10imptjava.util.cl