How to Install Java JDK 21.0.1 on Windows 10/11 [2023] | Create and Run Java Program using JDK 

Learn how to install Java JDK 21.0.1 on Windows 10. Also, we will see how to verify the installation & How to Run the First Java Program using JDK 21.0.1. Java installer file comes with JRE and JDK.
Timestamps:
00:16 - Download Java JDK 21
01:05 - Install it on Windows 10/11
01:50 Check Java Version on cmd
02:25 - Set the JDK path under the Environment Variables section on Windows 10.
03:32 - Create HelloWorld Program in Java
05:19 - Save Java Program
05:46 - Run Java Program on Command Prompt
06:47 How to Run Java Program on Command Prompt using JDK 21
7:30 Java Program without main() method
If you follow the steps properly, I'm sure the installation will be successful.
Step-1: How to Download Java
Open your web browser
Click on the URL: www.oracle.com...
Select your OS tab.
Find and click on the correct JDK download link right for your operating system.
It will download & save files to your disk.
Step-2: Install Java
Click to run the downloaded installer file
Just follow the prompt in the Installer window
Step 3: Test whether Java working or not
Open cmd, type javac or java --version
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