SimpleCalculator.java

package Solutions;

import java.util.Scanner;

public class SimpleCalculator {

	public static void main(String[] args) {
		float a, b, res;
		char choice, ch;
		Scanner scan = new Scanner(System.in);

		do {
			System.out.print("1. Addition\n");
			System.out.print("2. Subtraction\n");
			System.out.print("3. Multiplication\n");
			System.out.print("4. Division\n");
			System.out.print("5. Exit\n\n");
			System.out.print("Enter Your Choice : ");
			choice = scan.next().charAt(0);
			switch (choice) {
			case '1':
				System.out.print("Enter Two Number : ");
				a = scan.nextFloat();
				b = scan.nextFloat();
				res = a + b;
				System.out.print("Result = " + res);
				break;
			case '2':
				System.out.print("Enter Two Number : ");
				a = scan.nextFloat();
				b = scan.nextFloat();
				res = a - b;
				System.out.print("Result = " + res);
				break;
			case '3':
				System.out.print("Enter Two Number : ");
				a = scan.nextFloat();
				b = scan.nextFloat();
				res = a * b;
				System.out.print("Result = " + res);
				break;
			case '4':
				System.out.print("Enter Two Number : ");
				a = scan.nextFloat();
				b = scan.nextFloat();
				res = a / b;
				System.out.print("Result = " + res);
				break;
			case '5':
				System.exit(0);
				break;
			default:
				System.out.print("Wrong Choice!!!");
				break;
			}
			System.out.print("\n---------------------------------------\n");
		} while (choice != 5);

	}

}