Hello World Program in Java

In this post we will learn how to write simple java Program  looks like. Every Programming Lanugauge a basic program to check the program functions working or not . Java is the one of the most popular and widely use Programming Lanugauge. In this Program we will learn how the java program are ?

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

Output:-

Hello World

The Program Display a message Hello World . The Hello World Consist Three Components: Class Defination, Main method and Sorce Code.

Parameters used in Hello World Program:

Class: Class Keyword is used to declare a class 

public:- JVM can exexcute the method anywhere. It is a access modifier keyword to represents a visiblity. It means visible to all.

static:- static is a keyword to declare any method as static.

void:- void means null. The void is a return type variable. It means doesn't return anything.

main:- It is a  entry point of any program.

string args[]:- It is used for command line argument.

System.out.println() :- It is used to print the statment. println is a method of PrintStream class 

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