DSA in Java: every episode so far

9 free episodes out now, in the order we recommend watching them. Each page has the video, notes, key moments and a transcript.

Episode 1 · 17:35

DSA Roadmap 2026: Zero to Hired in 6 Months (Complete Guide)

Episode 2 · 12:30

Big O Notation Explained Simply | Time and Space Complexity in DSA

Episode 3 · 21:12

How to Calculate Time Complexity of an Algorithm | Loops & Recursion

Episode 4 · 16:50

Complete Java for DSA: Collections, Arrays, Strings & Traps

Episode 5 · 13:22

Basic Math for DSA: Primes, Sieve, GCD & Modulo (Java)

Episode 6 · 13:32

Bit Manipulation from Scratch: AND, OR, XOR, Shifts & Tricks (Java)

Episode 7 · 11:26

Array Data Structure in Java Explained Simply | DSA for Beginners

Episode 8 · 10:55

Prefix Sum Explained: Any Range Sum in 1 Step | Java DSA

Episode 9 · 9:59

Two Pointers in Java: 5 Must-Know Patterns | DSA