Install JDK
https://www.oracle.com/java/technologies/downloads/
Set JDK Path
https://www.javatpoint.com/how-to-set-path-in-java
Sample Program
public class Simple{
public static void main(String args[]){
System.out.println("hello javatpoint");
}}
Save: Simple.java
If you are saving outside JDK/BIN folder, No need to set path
if you are saving outside JDK/BIN folder, Need to set path
set path=C:\Program Files\Java\jdk1.6.0_23\bin
Open CMD:
set path=C:\Program Files\Java\jdk1.6.0_23\bin
go to directory , where you saved the source code file
then
compile: javac Simple.java
run java program : java Simple