Java - Environment Setup in Windows to run "Hello World" program

Java Development Kit (JDK) configuration for Windows machine

Ensure your system was already loaded with the JDK. To check that open the command prompt and execute the command java -version, it will show the installed JDK's version in the command prompt only if exist otherwise download it from the official site and install it manually.

1. Visit the official website to download the Java Development Kit (JDK) and install as per below instructions.
2. Install the JDK in the following default directory C:\Program Files\Java\jdk1.8.0_221 and you can move the JDK software to another location as per your wish.
3. Check the JDK is updated the Environment Variable or not, by opening the command prompt and execute the command java -version. It will show the installed JDK's version otherwise follow the below steps to setup the environment variable path.

Set Path of JDK in Windows system environment variables

1. Copy the path of the JDK's bin folder

2. Open the Environment variable dialog using the Windows Run. Press Win + R and run the command rundll32.exe sysdm.cpl,EditEnvironmentVariables

or open the Environment variable by windows search using the search text environment variable

3. Select the Path variable and click the Edit which is under User Variable

4. Click the New button and add the path C:\Program Files\Java\jdk1.8.0_221\bin and finally click the Ok button.

5. Open the new command prompt and execute the command java -version, it will show the installed JDK's version.

6. JDK configuration succussfully completed, let try our first java program in the next chapter.