Say Hello to JAVA

Java is one of the most popular programming language . Java is 100% object oriented programming means in java every program must contain atleast one class.
Java contains very rich libraries which are called packages.

Today we will say Hello world to java.. So are you ready...

First go to oracle website and download the JDK.

http://www.oracle.com/technetwork/java/javase/downloads/index.html

After downloading install JDK.

Now create a file name as Hello.java

here is hello word program code..


class Hello{
public static void main(String[ ] arg){
    System.out.println("Hello Java");

}

}

Now copy this file and paste in java bin folder.

now go to Run and  write cmd, then DOS will be open

in DOS set the path for bin file of java. Use the CD command for set the path
write command  cd\

cd :\ cd program files

cd:\ program files\cd java

cd:\ program files\java\cd bin

cd:\ program fies\java\bin

cd:\ program fies\java\bin/javac Hello.java  

cd:\ program fies\java\bin\java Hello





output

Hello Java