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In this video, we solve LeetCode 258 – Add Digits using a simple while loop approach in Java. This problem is a great ...

In this video, we solve LeetCode 507 – Perfect Number using a simple loop-based approach in Java. This problem is a classic ...

In this video, we solve LeetCode 367 – Valid Perfect Square using an efficient and interview-ready approach in Java.

In this video, we solve LeetCode 202 – Happy Number using a HashSet-based approach in Java. This problem is a great ...

In this video, we solve LeetCode 633 – Sum of Square Numbers using an efficient and interview-ready approach in Java.

Stop the Chaos: Master Synchronization! Thread safety isn't just a "nice to have"—it's the difference between a working app ...

In this video, we solve LeetCode 125 – Valid Palindrome using an efficient Two Pointer approach in Java. This problem is a ...

In this video, we solve LeetCode 2194 – Cells in a Range on an Excel Sheet using a clean and efficient approach in Java.

In this video, I compare Java and Node.js for backend development based on practical factors like: Scalability Stability ...

How I got a $95K Java Developer job in Canada – full breakdown. In this video, I explain exactly how I got hired as a Java ...

In this video, we solve LeetCode 168 – Excel Sheet Column Title using a clean and interview-ready approach in Java.

In this video, we solve LeetCode 2778 – Sum of Squares of Special Elements using a clean and efficient approach in Java.

In this video, we solve LeetCode 3541 – Find Most Frequent Vowel and Consonant using a clean and efficient approach in Java.

In this video, we solve the Minimum Absolute Difference problem from LeetCode (Problem 1200) using an efficient and ...

In this video, we solve LeetCode 3100 – Water Bottles II using a clear and optimized approach in Java. This problem builds on the ...

In this video, we solve LeetCode 3005 – Count Elements With Maximum Frequency using a clean and efficient approach in Java.

In this video, we solve LeetCode 1317 – Convert Integer to the Sum of Two No-Zero Integers using a clean and efficient approach ...

If you're preparing for MERN Stack Developer interviews in 2026, focus on THIS: ✔ React fundamentals + hooks ✔ Node.js ...

In this video, we solve LeetCode 744 – Find Smallest Letter Greater Than Target using an efficient and interview-ready approach ...