solves hackerrank in a string

Author: anishLearnsToCode

README.md

@@ -149,7 +149,7 @@ I have also solved other domains on HackerRank that can be viewed at:
 | [Two Characters](https://www.hackerrank.com/challenges/two-characters) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](https://github.com/anishLearnsToCode/hackerrank-algorithms/blob/master/src/strings/TwoCharacters.java) |
 | [Caeser Cipher](https://www.hackerrank.com/challenges/caesar-cipher-1) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](https://github.com/anishLearnsToCode/hackerrank-algorithms/blob/master/src/strings/CaesarCipher.java) |
 | [Mars Exploration](https://www.hackerrank.com/challenges/mars-exploration) | Easy | [![Java](https://img.icons8.com/color/40/000000/java-coffee-cup-logo.png)](https://github.com/anishLearnsToCode/hackerrank-algorithms/blob/master/src/strings/MarsExploration.java) |
-| [HackerRank Is a String!](https://www.hackerrank.com/challenges/hackerrank-in-a-string) | Easy | |
+| [HackerRank In a String!](https://www.hackerrank.com/challenges/hackerrank-in-a-string) | Easy | |
 | [Pangrams](https://www.hackerrank.com/challenges/pangrams) | Easy | |
 | [Weighted Uniform Strings](https://www.hackerrank.com/challenges/weighted-uniform-string) | Easy | |
 | [Separate The Numbers](https://www.hackerrank.com/challenges/separate-the-numbers) | Easy | |

src/strings/HackerRankInAString.java

@@ -0,0 +1,30 @@
+// https://www.hackerrank.com/challenges/hackerrank-in-a-string/problem
+
+package strings;
+
+import java.util.*;
+
+public class HackerRankInAString {
+    private static final String HACKERRANK = "hackerrank";
+
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        int queries = scanner.nextInt();
+        while (queries-- > 0) {
+            String string = scanner.next();
+            System.out.println(containsHackerRank(string) ? "YES" : "NO");
+        }
+    }
+
+    private static boolean containsHackerRank(String string) {
+        for (int index = 0, pointer = 0 ; index < string.length() ; index++) {
+            if (string.charAt(index) == HACKERRANK.charAt(pointer)) {
+                pointer++;
+            }
+            if (pointer == HACKERRANK.length()) {
+                return true;
+            }
+        }
+        return false;
+    }
+}