How to set path of Java on Windows URL: https://www.javatpoint.com/how-to-set-path-in-java The path is required to be set for using tools such as javac, java, etc. If you are saving the Java source file inside the JDK/bin directory, the path is not required to be set because all the tools will be available in the current directory. However, if you have your Java file outside the JDK/bin folder, it is necessary to set the path of JDK. There are two ways to set the path in Java: Temporary Permanent