格林模拟试题一（下）(6)

  question 48)

you have created a simple frame and overridden the paint method as follows

public void paint(graphics g){
}

1) the string "dolly" will be displayed at the centre of the frame 
3) the lower part of the word dolly will be seen at the top of the frame, with the top hidden. 

question 49)

what will be the result when you attempt to compile this program?

public class rand{
int irand;
system.out.println(irand);
}

 

1) compile time error referring to a cast problem 
3) a random number between 0 and 1 

 

 

question 50)

given the following code

import java.io.*;
public static void main(string argv){
t.amethod();
public void amethod(){
iocall();
}
 

what code would be most likely for the body of the iocall method

1) public void iocall ()throws ioexception{
din.readchar();
2) public void iocall ()throw ioexception{
din.readchar();
3) public void iocall (){
din.readchar();
4) public void iocall throws ioexception(){
din.readchar();