Learn JAVA basic to advance from here

First day: How to install Netbeans

- go and click for application file for java 
-install it , (jdk-8u73)
go to c drive> program file. java > jdk >bin!  .. copy all path 
then go through the computer properties > advance sys setting> environment variable> 
in top part of environment variable , click on "new "
variable name : JAVA_HOME
variable value:  ( paste that you have copied before )
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To create a new java project . 
1. go to file menu 
2.new project 

Getting To Know My Java Programming :

JAVA need main method to run : 

public class Hello {

 /** * My first java program */

 public static void main(String[] args) {

 //prints the string "Hello world" on screen

 System.out.println("Hello world!"); 

 } 

} 

Here we use

"public class Hello " is the main class in this program.

 "System.out.println" to display.

CLick here for : Class Second