May 22, 2023 · Create a simple calculator which can perform basic arithmetic operations like addition, subtraction, multiplication, or division depending upon the user input. Example: Enter the numbers: 2 2 Enter the operator (+,-,*,/) + The final result: 2.0 + 2.0 = 4.0

Here is simple code for calculator so you can consider this import java.util.*; import java.util.Scanner; public class Hello { public static void main(String[] args) { System.out.println("Enter first and second number:"); Scanner inp= new Scanner(System.in); int num1,num2; num1 = inp.nextInt(); num2 = inp.nextInt(); int ans; System.out.println ...

To understand this example, you should have the knowledge of the following Java programming topics: class Main { public static void main(String[] args) { char operator; Double number1, number2, result; // create an object of Scanner class . Scanner input = new Scanner(System.in); // ask users to enter operator .

In this tutorial, we will develop a simple Calculator project using Java Swing. We also write a JUnit test to test Calculator implementation logic. - Java 8+. - IDE - Eclipse or IntelliJ IDEA. - JUnit 5 Framework. 1. Create a Simple Maven Java Project. Let's give the project name as Calculator and add below JUnit 5 dependency: 2.

Apr 11, 2023 · In this guide, we’ll walk you through the step-by-step process of developing a simple calculator using Java. You’ll learn how to set up your Java development environment, create a Java class, get user input, perform calculations, display results, add error handling, and test your program.

Learn how to create a basic calculator in Java with this comprehensive tutorial, complete with examples and explanations for all levels.

Feb 14, 2025 · In this tutorial, we’ll implement a Basic Calculator in Java supporting addition, subtraction, multiplication and division operations. We’ll also take the operator and operands as inputs and process the calculations based on them.

This simple calculator program demonstrates how to take user input in Java and perform basic arithmetic operations. By using a switch statement, the program can handle different operators and provide the corresponding result.

Oct 8, 2024 · Learn how to create a simple calculator Project in Java that performs basic arithmetic operations like addition, subtraction, multiplication, and division with input validation.

In this step-by-step tutorial, we will guide you through the process of creating a simple calculator program in Java. Whether you're a beginner looking to kickstart your programming journey or an experienced developer wanting to refresh your skills, this tutorial is …