How to run java program using cmd, malayalam full video.

To run a Java program using the Command Prompt (CMD) on Windows, follow these steps:

1. Install Java (if not already installed):

If you don't have Java installed on your computer, you can download and install the latest Java Development Kit (JDK) from the official Oracle website or an open-source version like OpenJDK. Make sure to add Java to your system's PATH during installation so that you can run Java from the Command Prompt.

2. Write a Java program:

Create a Java source code file with a .java extension using a text editor or integrated development environment (IDE). Here's an example of a simple "Hello, World!" Java program:

public class HelloWorld {
public static void main(String[] args) {
System.out.println("Hello, World!");
}
}


3. Save the Java file:

Save the Java file in a directory of your choice. Remember the path to this directory.

4.Open Command Prompt:

Press Win + R, type "cmd," and press Enter, or search for "cmd" in the
Windows Start menu.

5.Navigate to the directory containing your Java file:

Use the cd command to change the directory to where your Java file is located. For example, if your Java file is on your desktop, you can navigate there by using the following command: cd Desktop

6.Compile the Java program:

Use the javac command to compile your Java source code file. For example, if your Java file is named HelloWorld.java, run the following command: javac HelloWorld.java

7.Run the Java program:

Use the java command to execute your compiled Java program. For the HelloWorld example: java HelloWorld

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