Paranthesis matching in text

TestFirat.java

import java.util.Stack;


public class TestFirat {

	private static String s = "()(((()))";

	public static void main(String[] args) {
		Stack<Character> stack = new Stack<Character>();
		boolean error = false;
		
		for (int i = 0; i < s.length(); i++) {
			Character c = s.charAt(i);
			if 	(c == '(')
				stack.push(s.charAt(i));
			else if (c == ')')
				if ((error = stack.isEmpty() || stack.pop() != '(')) {
					System.out.println("Character at " + i + " is not matching:");
					System.out.println(s);
					while (i-- != 0) System.out.print(' '); System.out.println('^');
					break;
				}
		}
		
		if (!error && !stack.isEmpty()) { /* TODO: Find which left brace needs a closing match. */
			System.out.println("No closing match found.");
		}
		
	}
}