Setting up enviromental variables in Windows 10 to use java and javac

Question

I got a new laptop with Windows 10 and I want to set it up so I can use java and javac from the command line.

I have searched online but al

Answer 1

Just set the path variable to JDK bin in environment variables.

Variable Name : PATH 
Variable Value : C:\Program Files\Java\jdk1.8.0_31\bin

But the best practice is to set JAVA_HOME and PATH as follow.

Variable Name : JAVA_HOME
Variable Value : C:\Program Files\Java\jdk1.8.0_31

Variable Name : PATH 
Variable Value : %JAVA_HOME%\bin