Just beginning to learn Java and just go to work, 1.path path 2.classpath path and java_home equivalent to/dgs this path

1.PATH path, looking for Javac.exe

such as:%java_home%

That is, the path is the corresponding

This command was found under the corresponding path .

After deletion

Reconfigure under User variables, or you can run the

User variables If you change a user, then this path fails, to whatever user is valid, in the system variable configuration

Claspath path, find class file by Path and execute

Download a new JDK

Then only the path variable is configured

Javac compiling Java Run command

Enter Java and Java commands to run

Cclasspath is not equipped with the current road strength to find a class file only in Classpaht

Just beginning to learn Java and just go to work, 1.path path 2.classpath path and java_home equivalent to/dgs this path