Day 0: Hello, World In Java | 30 Days Of Code | HackerRank Programming Solutions

Hello Programmers/Coders, Today we are going to share solutions of Programming problems of 30 Days Of Code, HackerRank. At Each Problem with Successful submission with all Test Cases Passed, you will get an score or marks. And after solving maximum problems, you will be getting stars. This will highlight your profile to the recruiters.

In this post, you will find the solution for Day 0: Hello, World. in Java-HackerRank Problem. We are providing the correct and tested solutions of coding problems present on HackerRank. If you are not able to solve any problem, then you can take help from our Blog/website.

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Link for the ProblemDay 0: Hello, World – Hacker Rank Solution

Day 0: Hello, World – Hacker Rank Solution

Problem:

Objective
In this challenge, we review some basic concepts that will get you started with this series. You will need to use the same (or similar) syntax to read input and write output in challenges throughout HackerRank. Check out the Tutorial tab for learning materials and an instructional video!

Task
To complete this challenge, you must save a line of input from stdin to a variable, print Hello, World. on a single line, and finally print the value of your variable on a second line.

You’ve got this!

Note: The instructions are Java-based, but we support submissions in many popular languages. You can switch languages using the drop-down menu above your editor, and the  variable may be written differently depending on the best-practice conventions of your submission language.

Input Format

A single line of text denoting  (the variable whose contents must be printed).

Output Format

Print Hello, World. on the first line, and the contents of  on the second line.

Sample Input

Welcome to 30 Days of Code!

Sample Output

Hello, World. 
Welcome to 30 Days of Code!

Explanation

On the first line, we print the string literal Hello, World.. On the second line, we print the contents of the  variable which, for this sample case, happens to be Welcome to 30 Days of Code!If you do not print the variable’s contents to stdout, you will not pass the hidden test case.

Day 0: Hello, World – Hacker Rank Solution
import java.util.Scanner;

/**
 * @author Aditi Kumari
 *
 */
public class Day0HelloWorld {
	public static void main(String[] args) {
		// Create a Scanner object to read input from stdin.
		Scanner scan = new Scanner(System.in);

		// Read a full line of input from stdin and save it to our variable,
		// inputString.
		String inputString = scan.nextLine();

		// Close the scanner object, because we've finished reading
		// all of the input from stdin needed for this challenge.
		scan.close();

		// Print a string literal saying "Hello, World." to stdout.
		System.out.println("Hello, World.");

		System.out.println(inputString);

	}
}

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