JAVA题库:格林模拟试题二(下)

Question 51)

Given the following code what will be the output?

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 );


        }//End of amethod


        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);


        }//End of another


}

1) 10030

2) 20030

3) 209930

4) 10020

Question 52)

Given the following class definition, which of the following methods could be legally placed after the comment

//Here 


public class Rid{


        public void amethod(int i, String s){}


        //Here


}

1)public void amethod(String s, int i){}

2)public int amethod(int i, String s){}