程序3-5
class Break {
public static void main (String args[]){
int i,j = 0,k = 0,h;
label1: for( i = 0; i < 100; i++,j += 2)
label2: {
label3: switch( i%2 ) {
case 1,h=1;
break;
default:h=0;
break;
}
if( i==50 )
break label1;
}
System.out.println("i=" + i);
}
}