Now we learn how to execute java file in Ubuntu and any Linux OS

  • Firstly open the TERMINAL.
  • Then go to the folder which contain the Java file. With cd command
  • This command enter you into the Desktop.
  • After that we go in the folder which is situated on the Desktop. like on my Desktop Java folder is created.
 
  • After that we compile the Java file with javac command.
  • After the compilation new file is automatically created in same folder with .class extension. 
  • In my Java folder I created Java file with name demo.java extension. 

 
  • Now we execute the Java file with java command like that and make shore the name of class write whose contain the main method.
  • That name is put which .class extension is used.
 
  • And now you can run the Java file in ubuntu and same Procedure is follow to run Java file in any Linux OS

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