标签:har push rac rar div else sem nbsp tco
https://leetcode.com/problems/valid-parentheses/#/solutions
public boolean isValid(String s) { Stack<Character> stack = new Stack<Character>(); for (char c : s.toCharArray()) { if (c == ‘(‘) stack.push(‘)‘); else if (c == ‘{‘) stack.push(‘}‘); else if (c == ‘[‘) stack.push(‘]‘); else if (stack.isEmpty() || stack.pop() != c) return false; } return stack.isEmpty(); }
标签:har push rac rar div else sem nbsp tco
原文地址:http://www.cnblogs.com/apanda009/p/7103802.html