Swich.java

import java.util.*;
public class Swich {
    public static void main(String args[]){
        Scanner sc = new Scanner(System.in);
        System.out.print("Enter a:");
        int a = sc.nextInt();
        System.out.println();
        System.out.print("Enter b:");
        int b = sc.nextInt();
        System.out.println();
        System.out.print("Enter your choice:");
        int ch =sc.nextInt();;

        switch(ch){
            case 1:
             int sum = a+b;
             System.out.println("Sum is"+sum);
             break;
            case 2: 
             int sub = a-b;
             System.out.println("Subtraction is"+sub);
             break;
            case 3:
             int mul = a*b;
             System.out.println(" Multiplication is"+mul);
             break;
            case 4: 
             int div = a/b;
             System.out.println(" Division is"+div);
             break;
            case 5:
             int rem = a%b;
             System.out.println(" Reminder is"+rem);
             break;
            default:
             System.out.println("--Wrong Input--" );
             break;
        }
    }
    
}