LeetCode Problem 20: Valid Parentheses in Java - FAANG Coding Interview Questions - Blind 75

LeetCode Problem 20 Valid Parentheses is an easy Blind 75 problem where we need to check if a string is balanced. We will use Stack Data structure, and solve it in Java. We also talk about a solution using Maps, which makes the code more maintainable. It is a very common coding interview question asked by many companies - Amazon, Google, Apple, etc, and is great warm-up question for FAANG. Find more LeetCode solutions on KeyStrokes!

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LeetCode Problem 20: Valid Parentheses
leetcode.com/problems/valid-parentheses/

All LeetCode Solutions:
github.com/doingthisalright/LeetCode-Problems

Code from the video:
github.com/doingthisalright/LeetCode-Problems/tree…

LeetCode Discussion:
leetcode.com/problems/valid-parentheses/solutions/…

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Companies that have asked this question:
Amazon
LinkedIn
Facebook
Microsoft
Bloomberg
Spotify
Apple
Adobe
Expedia
Google
Oracle
VMware
Cisco
Intel
Yandex
TikTok
Arista Networks
Barclays
ServiceNow
Uber
Goldman Sachs
Booking.com
Salesforce
Netflix
Dataminr
TCS

Timestamps:
00:00 Introduction
00:16 Problem Statement
00:28 Required Conceptual Knowledge
00:42 Brainstorming
05:36 Pseudocode
06:46 Coding
10:14 Submitting to LeetCode
10:30 Coding - Using Maps for maintainability
12:16 Submitting to LeetCode (with Maps)
12:32 Outro/Conclusion

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