Answer to Question #246182 in Java | JSP | JSF for Aubrey Eso Jozela

Question

Code a method, menuControl() that is void. This method controls the application. Processing includes: Call the menu() method. Use a switch statement and depending on the option returned by menu(), it calls the appropriate method(). Refer to the menu() for the available options.

Answer 1

package com.company;

import java.util.Scanner;

public class Main {
    static Scanner sc = new Scanner(System.in);
    //method for finding the sum of two integers
    static int sum_of_two_integers(int a, int b)
    {
        return a + b;
    }
    //method for finding the division of two integers
    static int division_of_two_integers(int a, int b)
    {
        return a/b;
    }
    //method for finding the difference of two integers
    static int subtraction_of_two_integers(int a, int b)
    {
        return a - b;
    }
    //method for finding the product of two integers
    static int multiplication_of_two_integers(int a, int b)
    {
        return a*b;
    }
    //method called menu to return the option entered
    static int menu()
    {
        System.out.println("Enter your option:");
        int option = sc.nextInt();
        return option;
    }
    //The menuControl  method
    static void menuControl()
    {
        System.out.println("Enter the operation to perform");
        System.out.println("1.Addition");
        System.out.println("2.Subtraction");
        System.out.println("3.Division");
        System.out.println("4.Multiplication");
        System.out.println("5.Exit the application");
        // call the menu method to enter and return the option
        int my_option = menu();
        switch(my_option) {
            case 1:
                System.out.println("Enter the first number");
                int first_number = sc.nextInt();
                System.out.println("Enter the second number");
                int second_number = sc.nextInt();
                //call the method for addition
                int sum = sum_of_two_integers(first_number,second_number);
                System.out.println("The sum of "+first_number+" and "+second_number+" is "+sum);
                break;
            case 2:
                System.out.println("Enter the first number");
                int sub_first_number = sc.nextInt();
                System.out.println("Enter the second number");
                int sub_second_number = sc.nextInt();
                //call the method for subtraction
                int difference = subtraction_of_two_integers(sub_first_number,sub_second_number);
                System.out.println("The sum of "+sub_first_number+" and "+sub_second_number+" is "+difference);
                break;
            case 3:
                System.out.println("Enter the Dividend");
                int dividend = sc.nextInt();
                System.out.println("Enter the divisor");
                int divisor = sc.nextInt();
                //call the method for division
                int quotient = division_of_two_integers(dividend,divisor);
                System.out.println("The Quotient of "+dividend+" and "+divisor+" is "+quotient);
                break;
            case 4:
                System.out.println("Enter the first number");
                int multi_first_number = sc.nextInt();
                System.out.println("Enter the second number");
                int multi_second_number = sc.nextInt();
                //call the method for multiplication
                int product = multiplication_of_two_integers(multi_first_number,multi_second_number);
                System.out.println("The Product of "+multi_first_number+" and "+multi_second_number+" is "+product);

                break;
            case 5:
                System.out.println("Program successfully exited");
                break;
            default:
                System.out.println("Invalid option please try again");
        }
    }

    public static void main(String[] args) {
   // call the menuControl method here inside the main method
        menuControl();
    }
}