Write your First Java Program

Introduction

In this article, I am going to explain how to write your first java program and executing the program in your computer. By the end of reading you complete learning how to write a java program in your system. 

Steps involved in  writing your first program

• Installing JDK in your computer
• Writing your program
• Compiling the written Program
• Running your compiled file

 Install JDK in your computer by following instructions .

Now write your first program, Open a notepad and write the following code into it.

class MyFirstJava

{

public static void main(String[] args)

{

   System.out.println("This is my first Java Program");

}

}

Save the file with file name MyFirstJava.java .

Now Compile your Program  from command prompt into byte code  with the following command as shown below.

C:/>javac MyFirstJava.java

It create a file Named MyFirstJava.class in your folder if your code in file doesn't have any syntax errors.

Now, Run your program with the following command.

C:/>java MyFirstJava

Output will be as follows..

Your First program is Ready and working fine.

Learn writing your first program using eclipse IDE.

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