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A Beginner’s Guide to javax.swing in Java

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Graphical User Interfaces (GUIs) play a crucial role in creating interactive and user-friendly Java applications. The javax.swing package provides a set of lightweight components, containers, and utilities for building GUIs. In this tutorial, we will explore the basics of javax.swing and create a simple GUI application with practical examples.


Before you start, ensure that you have:

  1. Java Development Kit (JDK) installed (version 8 or higher).
  2. Integrated Development Environment (IDE) such as Eclipse, IntelliJ, or NetBeans.

Example 1: Creating a Basic Swing Frame

Let’s start with a simple Swing frame (window) that displays a “Hello, Swing!” message. Create a new Java class:

In this example, we create a JFrame instance, set its title, and add a JLabel component to display a message. The setSize, setDefaultCloseOperation, and setVisible methods configure the frame’s appearance and behavior.

Example 2: Building a Simple Calculator

Let’s create a basic calculator using Swing components. Create a new Java class:

This example demonstrates the creation of a simple calculator using Swing components like JFrame, JTextField, JButton, and JPanel. The calculator supports basic arithmetic operations and evaluates expressions.


The javax.swing package provides a powerful set of tools for building graphical user interfaces in Java. In this tutorial, we covered the basics of creating Swing frames, adding components, and building a simple calculator. As you delve deeper into GUI development with Java, you’ll discover a wealth of additional components and features that make it possible to create sophisticated and user-friendly applications.

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