Installing Java

To run Java programs on your own computer, you need to install Java on your system. This allows you to compile and execute Java code locally instead of relying only on online editors.

Some computers already have Java installed.

On a Windows computer, you can check this by opening Command Prompt and typing:

If Java is installed, you will see output similar to this:

The version number may be different depending on your system.

If Java is not installed, you need to download it from the official Oracle website.

Steps to install Java: Visit the official Java download page Download the latest Java version for your operating system Run the installer and follow the on screen instructions

After installation, restart your computer if required.

After installing Java, open Command Prompt again and type:

If Java is installed correctly, the version information will be displayed.

This confirms that Java is successfully set up on your computer.

Java programs can be written using a simple text editor like Notepad. However, for better productivity, developers usually use an Integrated Development Environment.

Commonly used Java IDEs include: IntelliJ IDEA NetBeans Eclipse

These tools provide features like automatic code suggestions, error highlighting, and project management.

Installing Java locally helps you: Understand how Java programs are compiled and executed Practice real world development workflows Build confidence to work on larger applications