Class Solution

java.lang.Object
g0001_0100.s0020_valid_parentheses.Solution

public class Solution extends Object
20 - Valid Parentheses\. Easy Given a string `s` containing just the characters `'('`, `')'`, `'{'`, `'}'`, `'['` and `']'`, determine if the input string is valid. An input string is valid if: 1. Open brackets must be closed by the same type of brackets. 2. Open brackets must be closed in the correct order. **Example 1:** **Input:** s = "()" **Output:** true **Example 2:** **Input:** s = "()[]{}" **Output:** true **Example 3:** **Input:** s = "(]" **Output:** false **Example 4:** **Input:** s = "([)]" **Output:** false **Example 5:** **Input:** s = "{[]}" **Output:** true **Constraints:** * 1 <= s.length <= 104 * `s` consists of parentheses only `'()[]{}'`.
  • Constructor Details

    • Solution

      public Solution()
  • Method Details

    • isValid

      public boolean isValid(String s)