Tag: valid parentheses

  • Data Structures & Algorithms in Java – Strings – Valid Parantheses

    Problem: Given a string containing parantheses ( (,).{,},[,]) check if the parantheses match or not. For example, The string “()[]{}” is a valid string because the opening parentheses are matched by closing ones. The string “{[()]}” is also a valid expression since all the opening parentheses have corresponding closing parentheses The string “(]” is invalid…