Day 0: Hello, World.
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
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).
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.PROGRAM
import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;
public class Solution {
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);
// TODO: Write a line of code here that prints the contents of inputString to stdout.
}
}
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