How to run java program in command prompt


Steps to write Java program

--------------------------------------

1) Download JDK-19 or higher version from 

     https://www.oracle.com/java/technologies/downloads/

2) To write the program we can use any of the following editor or IDE 

    (Integrated Development Environment)

 -> Notepad

 -> Sublime Text

 -> VS Code

 -> NetBeans

 -> Eclipse, etc.


3) Write your program and save it at the following path:

 C:\Program Files\Java\jdk-19\bin


4) Every Java program must be save in a file with extension ".java"

     Exmaple: Sample.java


5) Open the folder "C:\Program Files\Java\jdk-19\bin", in the address-bar type cmd and press Enter key

     (It will open a Command Prompt)

6) Enter following commands on the command prompt to compile and run the program

 i) Compile As:

  javac file_name.java <Enter>

 ii) Run As:

  java class_name_having_main <Enter>


Sample.java

--------------------

class Sample 

{

 public static void main(String[] args) 

 {

  System.out.println("WELCOME TO JAVA");

  System.out.println("AMRAVATI");

 }

}


Compile As:

 Sample.java


Run As:

 java Sample


Output:

WELCOME TO JAVA

AMRAVATI 





















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