更多“Jack Ma supports a balance between life and work.() ”相关问题
  • 第1题:

    阅读下列代码片段 class InterestTest——ActionListener{ public"void actionPerformed(ActionEvent event){ double interest=balance*rate/1 00 ; balance+=interest; NumberFormat format=NumberFormat.getCur- rencyInstance; System.OUt.print]b("balance="+formatter. format(balance)); } Private double rate; } 在下画线处,应填的正确选项是( )。

    A.Implementation

    B.Inheritance

    C.implements

    D.extends


    正确答案:D
    D。【解析】继承父类应使用的关键词为extends。

  • 第2题:

    阅读下列代码片段 class InterestTest______ActionListener{ public voidactionPerformed(ActionEventevent){ double interest=balance*rate/100; balance+=interest; NumberFormat format=Number Format.getCurrencylnstance(): System.out.print]b("balance="+formatter.format(balance)}; } Privatedoublerate; } 在下划线处,应填的正确选项是( )。

    A.Implementation

    B.Inheritance

    C.implements

    D.extends


    正确答案:C
    解析:继承父类应使用的关键词为extends。

  • 第3题:

    如果要把一个用户名jack保存在session对象里,则下列语句正确的是() 。

    A.session.setAttribute(name,jack);

    B.session.setAttribute("name","jack");

    C.session.setAttribute("jack",name);

    D.session.setAttribute("jack","name");


    session.setAttribute(“ name” , “jack”);

  • 第4题:

    WhatisakeydifferentiatorbetweenaDS8700andDS8800foracustomerlookingforahighcapacitysolutionatthelowestcost()

    A.DS8700supportsSATAdrives

    B.DS8800supportsmorephysicaldrives

    C.DS8700supports2.5"diskdrives

    D.DS8800supports4GbpsFCdrives


    参考答案:A

  • 第5题:

    为用户jack设置登录密码jack123456


    passwd jack

  • 第6题:

    写出下面代码的运行结果。def addInterest(balance,rate): newBalance=balance*(1+rate) balance=newBalance def main(): amount=1000 rate=0.05 addInterest(amount,rate) print (amount) main()


    A