Added 20 solutions

Java/Strings/Pattern Syntax Checker/Solution.java

@@ -1,7 +1,3 @@
-//     Author: Rodney Shaghoulian
-//     Github: github.com/rshaghoulian
-// HackerRank: hackerrank.com/rshaghoulian
-
 import java.util.Scanner;
 import java.util.regex.Pattern;
 import java.util.regex.PatternSyntaxException;
@@ -13,7 +9,7 @@ public class Solution {
     public static void main(String[] args){
         Scanner scan = new Scanner(System.in);
         int testCases = Integer.parseInt(scan.nextLine());
-        while (testCases > 0){
+        while (testCases-- > 0){
            String pattern = scan.nextLine();
            try {
                Pattern.compile(pattern);