Solution: Valid Parentheses
Explore the method of validating balanced parentheses using stacks in Java. Understand how to process opening and closing parentheses correctly by pushing and popping from a stack to ensure matching pairs in the right sequence. This lesson helps you implement and analyze the solution with O(n) time and space complexity, enhancing your coding interview skills.
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Statement
Given a string, exp, which may consist of opening and closing parentheses. Your task is to check whether or not the string contains valid parenthesization.
The conditions to validate are as follows:
Every opening parenthesis should be closed by the same kind of parenthesis. Therefore,
{)and[(])strings are invalid.Every opening parenthesis must be closed in the correct order. Therefore,
)(and()(()are invalid.
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