It may be used with or without a label.
class MainClass{
public static void main(String[] args) {
int n = 3;
switch(n) {
case 1:
System.out.println(1);
break;
case 2:
System.out.println(2);
break;
case 3:
System.out.println(3);
break;
case 4:
System.out.println(4);
break;
case 5:
System.out.println(5);
break;
case 6:
System.out.println(6);
break;
case 7:
System.out.println(7);
break;
default:
System.out.println("default");
}
}
}
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