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题目内容 (请给出正确答案)

以下程序的运行结果为?

class ValHold{

public int i = 10;

}

public class ObParm{

public static void main(String argv[]){

ObParm o = new ObParm();

o.amethod();

}

public void amethod(){

int i = 99;

ValHold v = new ValHold();

v.i=30;

another(v,i);

System.out.print( v.i );

}

public void another(ValHold v, int i){

i=0;

v.i = 20;

ValHold vh = new ValHold();

v = vh;

System.out.print(v.i);

System.out.print(i);

}

}

A.10030

B. 20030

C. 209930

D. 10020


参考答案

更多 “ 以下程序的运行结果为?class ValHold{public int i = 10;}public class ObParm{public static void main(String argv[]){ObParm o = new ObParm();o.amethod();}public void amethod(){int i = 99;ValHold v = new ValHold();v.i=30;another(v,i);System.out.print( v.i );}public void another(ValHold v, int i){i=0;v.i = 20;ValHold vh = new ValHold();v = vh;System.out.print(v.i);System.out.print(i);}}A.10030B. 20030C. 209930D. 10020 ” 相关考题
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