WAP to display hello world using java

Write a program to display hello world using java language. 
The "hello world" program in java has three major components: 

1. Class Definition 2. Main methos 3. Source code comments.


CLASS DEFINITION: In java each program has at least one class which is start with and "class" keyword and the class name which is provided by programmer. the class code appears between the opening and closing curly braces. 

MAIN METHOD: This is the entry point of any java application. In java programming every program must have an main method which is defined is:
public static void main(String rags).

lets have a look on main function signature:
public: We defined main method is public because anyone can access it.
static: Static means we can run the main method without creating an instance of it.
void: The main method will not return any value.
main: It is the name of the method.
String(args[]): The arguments we get inside the method are the arguments that we will get when running the program with parameters. It's an array of strings.

COMMENTS: Comments are ignored by the compiler but it is useful to the programmer. In java there are three type of comments.

/*SELECTED TEXT COMMENTS*/
/**DOCUMENTATIONS COMMENTS*/
//COMPLETE LINE COMMENTS

ALGORITHM:-

step 1 : Start
step 2 : Create A class 
step 3 : Define the main method
step 4 : Write Display Command and display Hello World
step 5 : Compile and Run the program
step 6 : terminal

PROGRAM CODE:-

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

OUTPUT:-

Hello World

Java Program to display hello world
Write a program in java to print the hello world
Hello World in java
Print the hello world using java programming langauge

Unknown Tuesday, May 03, 2016

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About Author

SK Sitaram is a computer engineering. He has completed Advance Diploma in Software Engineering.
He is Founder and Developer of C Programming Simply. He loves researching in the IT field.
This is a part time blogger, Like a bathroom singer(:P) and He is Student of Jaipur National University. You can follow him in Twitter and find him in Facebook or Email him. Byeee (:P)

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