Find an Equal Point In a String of Brackets ?

package com.test.jip.basic;

/**

 * Find an Equal Point in a String of Brackets

 *

 * @author:http://javainterviewprograms.blogspot.in/

 *

 */

public class FindEqualPointInStringBrackets {

          public static void main(String[] args) {

                   // String str = "(()))(()()())))";

                   String str = "(())))(";

                   // String str = "((((";

                   System.out.println(findEqualPoint(str.toCharArray()));

          }

          private static int findEqualPoint(char[] str) {

                   int leftCount = 0;

                   int rightCount = 0;

                   for (int i = 0; i < str.length; i++) {

                             if (str[i] == ')')

                                      rightCount++;

                   }

                   int originalRightCount = rightCount;

                   for (int i = 0; i < str.length; i++) {

                             if (str[i] == '(')

                                      leftCount++;

                             else {

                                      if (leftCount == rightCount) {

                                                System.out.println(i);

                                                return i;

                                      } else {

                                                rightCount--;

                                      }

                             }

                   }

                   rightCount = originalRightCount;

                   if (rightCount == 0)

                             return 0;

                   else

                             return str.length;

          }

}

Output: 4