🔥 Stack LeetCode Problems in Java | 20. Valid Parentheses + 155. Min Stack

🔥 Stack Interview Questions in Java | Valid Parentheses + Min Stack | LeetCode In this video, we solve two of the most important Stack Interview Questions from LeetCode using Java. These problems are frequently asked in coding interviews and placement rounds of companies like Amazon, Microsoft, Google, and other product-based companies. We have covered: ✅ 20. Valid Parentheses ✅ 155. Min Stack This tutorial is perfect for beginners as well as students preparing for DSA interviews, coding rounds, and placements. Along with coding, we also discuss the Stack approach, logic building, dry run, and interview-oriented explanation. 📌 Topics Covered: ✔ Valid Parentheses LeetCode 20 Solution in Java ✔ Min Stack LeetCode 155 Solution in Java ✔ Stack Interview Questions for Placements ✔ Stack Data Structure Problems ✔ LeetCode Stack Problems Explained ✔ Java DSA Placement Preparation ✔ Stack Logic Building for Coding Interviews ✔ Most Asked Stack Questions in Interviews ✔ Push, Pop & GetMin Operations ✔ Optimal Approach with Time Complexity 🚀 Why Watch This Video? ✔ Beginner Friendly Explanation ✔ Clean Java Code ✔ Interview Focused Questions ✔ Step-by-Step Dry Run ✔ Best for Placement Preparation ✔ Important LeetCode Questions ⏱️ Timestamps / Video Chapters: 00:00 - Introduction 00:19 - Valid Parentheses Problem 02:35 - Valid Parentheses Java Solution 18:12 - Min Stack Problem 23:40 - Min Stack Java Solution #Stack #LeetCode #JavaDSA #ValidParentheses #MinStack #DSAJava #CodingInterview #Placements #StackInterviewQuestions #LeetCodeJava #JavaProgramming #DataStructures #AmazonInterview #GoogleInterview #MicrosoftInterview