Friday, 15 May 2015

Java : Uninstall JDK (Windows operating system)

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Easy Steps to Uninstall JDK from Windows

Whether you're making room for a new version or troubleshooting an old installation, knowing how to properly remove the Java Development Kit (JDK) is essential. This guide ensures a clean uninstallation so you don't run into errors later on.

Step 1: Open the Control Panel

The most reliable way to uninstall software on Windows is through the Control Panel. Search for "Control Panel" in your Windows Start menu and navigate to "Uninstall a program" under the Programs category.

Step 2: Locate Java Development Kit

Scroll through the list of installed programs until you find "Java(TM) SE Development Kit". You might see multiple versions if you have been coding for a while. Right-click the version you want to remove and select "Uninstall".

Step 3: Confirm and Wait

Windows will ask if you're sure you want to remove the software. Click "Yes" and let the installer do its work. Once it finishes, the entry will disappear from your program list.

Step 4: Clean Up Environment Variables

Removing the files isn't always enough! To ensure a completely clean system, go to your System Environment Variables. Look for JAVA_HOME and remove it. Also, check the Path variable and delete any entries that point to the JDK bin folder you just uninstalled.

Step 5: Verify the Removal

Open a fresh Command Prompt window and type java -version. If the uninstallation was successful and you have no other versions, Windows should tell you it doesn't recognize the command. Your system is now clear!