JAVA environment variable setting

How to set JAVA HOME in Windows

1. Press Window Keys + s
2. input environment
3. Click Edit environment variables for your account
4. Add JAVA_HOME variable
   

4-1. Click new
4-2. variable name: JAVA_HOME
  variable value: [JAVA PATH]

You should write untilbin folder

1. Make sure JAVA environment variables are set
   5-1. Open cmd
   5-2. Enter javac