Menu Driven Program In Java With Examples

Menu Driven Program In Java With Examples

Menu driven program in java are a useful technique in Java for building interactive applications that provide multiple options to the user. The program displays a menu and performs different operations based on the user’s choices.In this article, we covered several aspects of menu driven programs:

  • What are menu driven program in java?
  • Basics of Switch Case in Java.
  • Menu Driven Program Examples.
  • Discussing if-else as alternative.

Menu Driven Programs in Java

A menu driven program displays a menu of options to the user and performs different operations based on the user’s choice.

  • It allows the user to choose what operation they want to execute through the menu.
  • The menu is displayed in a loop so that the user can perform multiple operations repeatedly.
  • Switch case is commonly used to implement the logic to execute different operations based on menu choice.

For example, a basic menu driven calculator program may display:

1. Addition
2. Subtraction
3. Multiplication
4. Division
5. Exit

And perform the chosen arithmetic operation based on the user’s input.

Menu driven programs allow flexible, interactive execution of multiple options within a single program.

Switch Case in Java

The switch case statement routes program execution to different blocks of code based on a control expression.

// Switch Case Statement In Java

switch(expression) {
 case value1:
   // code block 1

 case value2:
   // code block 2

  // default block
  • The switch expression is evaluated and compared to the case values.
  • When a match is found, execution jumps to that case block.
  • The break statements exit the switch block after a case executes.
  • The default case runs if no match is found.

Switch case provides an easy way to implement conditional logic that chooses between multiple code paths. It is very useful in menu driven programs for routing to the chosen menu option’s operation.

Switch Case Java Program

Here is a simple program that demonstrates switch case usage:

// Switch Case Java Program

public class Main {

  public static void main(String[] args) {
    int choice = 2;

    switch(choice) {
      case 1: 
        System.out.println("Choice is 1");
      case 2:
        System.out.println("Choice is 2");
        System.out.println("Invalid choice");



Choice is 2

The switch case compares choice and executes the matching case block. This routes code execution based on user input.

Now let’s look into how do we build a menu driven program in Java.

Algorithm for a Menu-driven Program

Menu Driven Program follows below template and steps:

  1. Program generally starts by displaying a menu of options.
  2. Continuously take and process user’s choices until they decide to stop.
  3. For each valid choice, perform the corresponding operation or execute a default action.
  4. Allow the user to continue or exit the program based on their preference.

So the algorithm of menu driven programs goes like this:

1. Start

2. Display menu options

3. Read user's choice input

4. While valid choice is entered:

   4a. If choice is 1:
      Perform Operation 1

   4b. If choice is 2:
     Perform Operation 2

   4c. If choice is 3:
     Perform Operation 3

   4d. If choice is 4:  
    Perform Operation 4

   4e. Else:
    Perform Default Operation 

5. Ask user if they want to continue

6. If user wants to continue, go to step 2

7. Else, stop program

Menu Driven Program In Java Examples

Now, let’s see examples and apply this algorithm in that example.

Menu Driven Calculator Program In Java Using Switch Case

Problem Statement

Write a program to perform arithmetic operations using switch case. The program should:

  1. Display a menu with options for addition, subtraction, multiplication, division, and exiting.
  2. Continuously take user input and perform the chosen arithmetic operation on two numbers.
  3. Handle division by zero gracefully.
  4. Provide feedback for invalid choices.
  5. Allow the user to exit the program.


Let’s apply above algorithm in this Menu Driven Calculator problem.

  1. We will start program by displaying menu options that are basic arthemitic operatiosn addition, subtraction, multiplication, division which will be under infinite while loop
  2. User input is taken using Scanner Library
  3. Decision based on user’s input is made using switch case.
  4. Each case performs a specific arithmetic operation (addition, subtraction, multiplication, division), handles input, and displays the result.
  5. The program can be exited gracefully by selecting option 5, which closes the Scanner and exits the program.

Arithmetic Operations Using Switch Case In Java

Let’s see java program for addition subtraction multiplication division arithmetic operations.

// Arithmetic Operations Using Switch Case In Java

import java.util.Scanner;

class Main {
  public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);

    // Continuous menu loop (Infinite Loop)
    while (true) {

      System.out.println("Calculator Menu");
      System.out.println("1. Addition");
      System.out.println("2. Subtraction");
      System.out.println("3. Multiplication");
      System.out.println("4. Division");
      System.out.println("5. Exit");

      System.out.print("Enter your choice: ");
      int choice = sc.nextInt();

      switch (choice) {
        case 1:
          // Perform Addition operation
          System.out.print("Enter two numbers: ");
          int num1 = sc.nextInt(); 
          int num2 = sc.nextInt();
          int sum = num1 + num2;
          System.out.println("Sum = " + sum);

        case 2:
          // Perform Subtraction operation
          System.out.print("Enter two numbers: ");
          int num3 = sc.nextInt(); 
          int num4 = sc.nextInt();
          int difference = num3 - num4;
          System.out.println("Difference = " + difference);
        case 3:
          // Perform Multiplication operation
          System.out.print("Enter two numbers: ");
          int num5 = sc.nextInt(); 
          int num6 = sc.nextInt();
          int product = num5 * num6;
          System.out.println("Product = " + product);
        case 4:
          // Perform Division operation
          System.out.print("Enter two numbers: ");
          double num7 = sc.nextDouble(); 
          double num8 = sc.nextDouble();
          if (num8 == 0) {
            System.out.println("Error: Division by zero");
          } else {
            double quotient = num7 / num8;
            System.out.println("Quotient = " + quotient);
        case 5:
          // Exit the program
          System.out.println("Exiting the calculator. Goodbye!");

          System.out.println("Invalid choice");


Arithmetic Operations Using Switch Case In Java

Let’s discuss alternatives for handling menu-driven options in Java without using a switch statement by using if-else statements .

Menu Driven Banking Program In Java Using if else

In this approach, we’ll use a series of if-else statements to check the user’s choice and execute the corresponding code block for each option.

Let’s consider a real-world example of a menu-driven program in Java using if-else statements. In this example, we’ll create a simple banking application where a user can check their balance, deposit money, and withdraw money. For simplicity, we won’t implement actual banking logic but will focus on the structure of a menu-driven program.

import java.util.Scanner;

public class BankingApplication {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double balance = 0.0;

        while (true) {
            // Display the menu
            System.out.println("\nWelcome to Simple Bank!");
            System.out.println("1. Check Balance");
            System.out.println("2. Deposit Money");
            System.out.println("3. Withdraw Money");
            System.out.println("4. Exit");
            System.out.print("Enter your choice: ");

            // Get user input
            int choice = scanner.nextInt();

            // Process the choice
            if (choice == 1) {
                // Check Balance
                System.out.println("Your current balance is: $" + balance);
            } else if (choice == 2) {
                // Deposit Money
                System.out.print("Enter amount to deposit: ");
                double amount = scanner.nextDouble();
                if (amount > 0) {
                    balance += amount;
                    System.out.println("$" + amount + " deposited successfully.");
                } else {
                    System.out.println("Invalid amount.");
            } else if (choice == 3) {
                // Withdraw Money
                System.out.print("Enter amount to withdraw: ");
                double amount = scanner.nextDouble();
                if (amount > 0 && amount <= balance) {
                    balance -= amount;
                    System.out.println("$" + amount + " withdrawn successfully.");
                } else {
                    System.out.println("Invalid amount or insufficient funds.");
            } else if (choice == 4) {
                // Exit
                System.out.println("Thank you for using Simple Bank. Goodbye!");
            } else {
                // Invalid Choice
                System.out.println("Invalid choice. Please try again.");



Menu Driven Banking Program In Java Using if else

How to Exit from a Menu-Driven Program

You can terminate a menu-driven program by incorporating a specific case in the switch statement to invoke the System.exit(int) method. This method is used to stop the currently running Java Virtual Machine (JVM). It requires a status code as an argument, which is used to indicate the termination status of the program. This approach is effective for gracefully exiting a program and signaling its completion status to the system.

Key Takeaways

  • Menu driven programs allow the user to choose operations through a menu
  • Switch case is commonly used to route between menu options
  • Each case contains logic to perform the selected operation
  • Validating input and looping allows repeated use
  • Alternatives like if-else can also implement menus
  • Menu driven structure enables interactive, flexible programs

Checkout more Java Tutorials here.

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What is the use of menu driven program?

How to create a menu menu in Java?

What is menu driven in data structure?

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