Java Installed but not working javac command on Windows 10

'javac' is not recognized as an internal or external command, operable program or batch file

Java is installed on windows 10 machine but not working java compiler in any path dir and getting below error when running javac command.

Not javac command working on windows 10

First check the java installed directory whether javac.exe file is located under 'jdk\bin' directory.

Not javac command working on windows 10

If not found javac.exe file, need to install the java properly on windows 10 machine.

If javac.exe file is found then try to configure java jdk\bin location directory path in environment path variable to use javac command in any path directory.

1. Go to control panel.

Not javac command working on windows 10

2. Click on System and Security.

Not javac command working on windows 10

3. Go to System.

system control panel on windows 10

4. Go to Advanced System Settings.

Advanced system settings on windows 10

5. Click on Environment variable in Advanced System Settings.

Environment variables on windows 10

6. Select path Environment variable, edit the path variable and add new path directory where javac.exe file is located 'jdk/bin' directory.

Edit path environment variable on windows 10

Save the updated path variable and apply the settings.

7. Once done open the command prompt again on windows 10 machine and run the javac command and check whether working or not. output like below will be appeared if javac command working fine.

javac command working on windows 10

This is the common steps to update environment variables on windows 10 for any application requires.


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