Calculater.java

import java.util.Scanner;
public class Calculater{
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		System.out.println("Enter your value:");
		int a = sc.nextInt();
		int b = sc.nextInt();
		System.out.println("1. '+'\t"+"2. '-'\t"+"3. '*'\t"+"4. '/'\t"+"5. '%'\n");
		int num = sc.nextInt();
		switch(num){
			case 1: 
				System.out.println(a + b);		
				break;
		
			case 2: 
				System.out.println(a - b);
				break;
			
			case 3: 
				System.out.println(a * b); 
				break;
		
			case 4: if(a == 0){
						System.out.println("Entered Invalid Number! Please don't enter the number 0!");
					}
					else{
						System.out.println(a / b);
					}
			break;	
	 
			case 5: 
				if(a == 0){
						System.out.println("Entered Invalid Number! Please don't enter the number 0!");
					}
					else{
						System.out.println(a % b);
					}
			break;	
			
			default:
				System.out.println("Enter a Valid Number between this ^ & Try Again.");
				break;
		}
	}
}