How to compile and run java files in the console

First: open the console cmd.exe, then enter: java -version

Then enter: javac

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The above information appears to prove that the Java environment is configured correctly.

Then find the java file path from the command line.

For example, mine is placed under F:\javaTest\src\zz, and the file name is Test.java

To compile the Java file, the command is : javac file name

A file with the suffix .class appears under the folder

Finally enter the command : java file name (the file name cannot have a suffix)

# An error was reported because there is a package name in it.

Remove the package name, recompile and run.

Finish!

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