How To Run Java Program In Command Prompt or cmd

How To Run Java Program In Command Prompt or cmd

Step 1: Open Notepad and type code. Save the file with .java extension

              HelloWorld.java



Step 2: Press Key Windows+R to open Run dialog box , type cmd in the dialog box and click                   ok. 





Step 3:  Navigate to the folder where you saved the HelloWorld.java file. 
              file is stored in the E:\java code\  folder.



Step 4: Compile HelloWorld.java file using javac HelloWorld.java Command

             compiler compiles the program and create HelloWorld.class file which is executable
             code also called Bytecode.





Step 5: Run compiled program using command java HelloWorld



Output :