case_switch.java

import java.util.Scanner;
public class case_switch extends qwertyuiop
{
 public static void main(String args[])
 {
 Scanner sc=new Scanner(System.in);
 System.out.println("Enter 2 numbers: ");
 int a=sc.nextInt();
 int b=sc.nextInt();
 System.out.println("Enter 1 for addition and 2 for subtraction");
 System.out.println("Enter 3 for multiplication and 4 for division"); 
 int c=sc.nextInt();
 int d=0;
 switch(c)
 {
 case 1:
 d=add(a,b);
 break;
 case 2:
 d=subtract(a,b);
 case 3:
 d=multiply(a,b);
 break;
 case 4: 
 d=divide(a,b); 
 }
 System.out.println(d);
 }
}