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  1. Running a Java program using Notepad and the Command Prompt is a straightforward process once Java is installed and the environment variables are set correctly.

    Steps to Execute

    1. Install and Configure Java

    • Ensure the Java Development Kit (JDK) is installed.

    • Set the PATH environment variable to include the bin directory of your JDK installation. Example:

    C:\Program Files\Java\jdk-21\bin
    コピーしました。

    2. Write the Java Program in Notepad

    • Open Notepad (Windows + R → type notepad → Enter).

    • Type your Java code. Example:

    public class Main {
    public static void main(String[] args) {
    System.out.println("Hello, Java from Notepad!");
    }
    }
    コピーしました。
    • Save the file with the same name as the class and .java extension. Example: Main.java Save it in a folder, e.g., C:\demo.

    3. Compile the Program

    • Open Command Prompt (Windows + R → type cmd → Enter).

    • Navigate to the folder where you saved the file:

    cd C:\demo
    コピーしました。
    • Compile using:

    javac Main.java
    コピーしました。

    If there are no errors, this creates Main.class in the same folder.

    4. Run the Program

    • Execute:

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