- Install Java Development Kit (JDK) Download and install the latest version of JDK from the Oracle website or use OpenJDK. After installation, make sure the java and javac commands are available in your system's PATH by running java -version and javac -version in the terminal.
- Set Up Your Development Environment You can use any text editor (like Notepad, VS Code, or Sublime Text) or an Integrated Development Environment (IDE) like IntelliJ IDEA, Eclipse, or NetBeans.
- Write the HelloWorld Program Open your text editor or IDE and create a new file named HelloWorld.java.
Type the following code into the file: