My First Java Program

My First Java Program.... 

NOTE : The example explained based on the windows environment.

Requirements :

Download JDK from here.

1. Set up the JAVA_HOME.

• Right click My Computer and select Properties.
• On the Advanced tab, select Environment Variables, and then edit JAVA_HOME to point to where the JDK software is located, for example, 

                  C:\Program Files\Java\jdk1.6.0_35

2. Copy the following content to Nodepad and save as "HelloWorld" java file.

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class HelloWorld{ public static void main(String args[]){ System.out.println("Hello"); } }

3. Open the command prompt and type the below commands.

For compile the java file, 
javac HelloWorld.java

For execute the complied java class
java HelloWorld