switch case break

public class Test02 {
public static void main(String[] args){
int i = 10,j = 18,k = 30;
switch(j - i){
case 8:
k++;
break;
case 9:
k+=2;
break;
case 10:
k += 3;
break;
default:
k /= j;
}
System.out.println(k);
}
}

public class Test03 {
public static void main(String[] args){
int i = 10,j = 18 ,k = 30;
switch(j - i){
case 8:
k++;
case 9:
k += 2;
case 10:
k += 3;
default:
k /= j;
}
System.out.println(k);
}
}