Hacker Rank Problem - Regex - Find Hackerrank

Find Hackerrank

The following is the solution to the Hacker Rank problem "Find Hackerrank". For other Hacker Rank problem solutions visit my Hacker Rank Solutions Page.

/**  * @author Arun.G  *  */ import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; import java.util.Scanner; public class Solution {     public static void main(String[] args) {         /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */          Scanner sc = new Scanner(System.in);         String conversation="";         int numberOfLines=sc.nextInt();         conversation=sc.nextLine();         while((sc.hasNextLine()))         {             conversation=sc.nextLine();             // System.out.println(conversation);             if(conversation.startsWith("hackerrank") &&    conversation.endsWith("hackerrank"))                 System.out.println("0");             else if(conversation.startsWith("hackerrank"))                 System.out.println("1");             else if(conversation.endsWith("hackerrank"))                 System.out.println("2");             else                 System.out.println("-1");         }             } }