單項(xiàng)選擇題

public classYippee{
public static void main（String[]args）{
for（intx=1；xSystem.out.print（args[x]+""）；
}
}
}
and two separate command line invocations：j
avaYippee
javaYippee1234
What is the result？（）

A.No output is produced.       123
B.No output is produced.        234
C.No output is produced.       1234
D.An exception is thrown at runtime.        123
E.An exception is thrown at runtime.         234
F.An exception is thrown at runtime.        1234

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多項(xiàng)選擇題

Which two are true？（）

A.A finalizer may NOT be invoked explicitly.
B.The finalize method declared in class Object takes no action.
C.super.finalize（）is called implicitly by any over riding finalize method.
D.The finalize method for a given objec twill be called no more than once by the garbage collector.
E.The order in which finalize will be called on two objects is based on the order in which the two objects became finalizable.

單項(xiàng)選擇題

11.public void genNumbers（）{
12.ArrayList numbers=new ArrayList（）；
13.for（inti=0；i<10；i++）{
14.intvalue=i*（（int）Math.random（））；
15.IntegerintObj=newInteger（value）；
16.numbers.add（intObj）；
17.}
18.System.out.println（numbers）；
19.}
Which line of code marks the earliest point that an object referenced by intObj becomes a candidate for garbagec ollection？（）

A.Line16
B.Line17
C.Line18
D.Line19
E.The object is NOT a candidate for garbage collection.

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public classYippee{ public static void main（String[]args）{ for（intx=1；xSystem.out.print（args[x]+""）； } } } and two separate command line invocations：j avaYippee javaYippee1234 What is the result？（）

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Which two are true？（）

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public classYippee{
public static void main（String[]args）{
for（intx=1；xSystem.out.print（args[x]+""）；
}
}
}
and two separate command line invocations：j
avaYippee
javaYippee1234
What is the result？（）

Which two are true？（）