函数wx.scanCode(Objectobject)的参数属性()用于设置扫码类型
A.onlyFromCamera
B.scanType
C.success
D.fail
A.onlyFromCamera
B.scanType
C.success
D.fail
A.wx.scanCode(Objectobject)
B.wx.makePhoneCall(Objectobject)
C.wx.addPhoneContact(Objectobject)
D.wx.onMemoryWarning(functioncallback)
A.wx.scanCode(Objectobject)
B.wx.makePhoneCall(Objectobject)
C.wx.addPhoneContact(Objectobject)
D.wx.onMemoryWarning(functioncallback)
A.result
B.scanType
C.charSet
D.path
______ you object to a man, everything he does is wrong.
A.Unless
B.Provided
C.Once
D.In case
What does "girth" possibly mean?
A.Measurement around an object.
B.Measurement of object weight.
C.Formula to calculate object width.
D.Formula to calculate object length.
B、Object类是一个非常特殊的“虚拟”类,就是说只能从Object类派生出其它类,但不能创建一个Object类的对象,也不能将一个引用变量定义为Object类型
C、Object类是所在其他Java类的直接或间接父类
D、Java中的类是单继承的,因此所在的类以Object类为根,形成了棵继承树