24 lines
560 B
Java
24 lines
560 B
Java
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package com.zerroi.leetcode.Three21;
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import java.util.Stack;
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public class IsValidBracket {
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public static void main(String[] args) {
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}
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}
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class SolutionFirst {
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public boolean isValid(String s) {
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Stack<Character> stack = new Stack<>();
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for (char c : s.toCharArray()) {
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if (c == '(') stack.push(')');
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else if (c == '[') stack.push(']');
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else if (c == '{') stack.push('}');
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else if (stack.isEmpty() || stack.pop() != c) return false;
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}
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return stack.isEmpty();
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}
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}
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