package com.sarvesh.javabasics; import java.util.Scanner; public class SimpleCalculator { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int choice; do { System.out.println("\n 2--- Calculator ---"); System.out.println("1. Addition "); System.out.println("2. Susbstraction "); System.out.println("3. Multiplication "); System.out.println("4. Division "); System.out.println("5. Exit "); System.out.println("------------------"); System.out.print("Choice : "); choice = sc.nextInt(); if (choice >= 1 && choice <= 4) { System.out.print("Enter 1st Integer : "); double num1 = sc.nextDouble(); System.out.print("Enter 2nd Integer : "); double num2 = sc.nextDouble(); switch(choice) { case 1: System.out.printf("Addiition of %.2f and %.2f is %.2f.\n", (num1) , (num2) , (num1 + num2 )); break; case 2: System.out.printf("Substraction of %.2f with %.2f is %.2f.\n" , (num1) ,(num2) ,(num1-num2)); break; case 3: System.out.printf("Multiplication of %.2f and %.2f is %.2f.\n" ,(num1) ,(num2) ,(num1*num2)); break; case 4: System.out.printf("Division of %.2f with %.2f is %.2f.\n",(num1) ,(num2) ,(num1/num2)); } } }while (choice!=5); sc.close(); } }