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