格林模拟试题一（上）(6)

 question 20)
import java.awt.*;
public static void main(string argv){
}
button hellobut=new button("hello");
add(hellobut);
setsize(300,300);
}
//code end
1) two buttons side by side occupying all of the frame, hello on the left and bye on the right 
3) one button occupying the entire frame saying bye 
question 21)
public static void main(string argv){
int j;
for (i=1;i < 3;i++)
for(j=1; j< 3; j++) {
continue outer;
}
}

1) value for i=1 value for j=1 
3) value for i=2 value for j=2