ViewTube

Every data structure you need for coding interviews, explained visually, from zero. One story runs through the whole course: your ...

Ever wondered how an array can just "grow" when a fixed-size array can't? In this video, we open up the dynamic array — the ...

Start learning data structures and algorithms in Java with a clear DSA roadmap and Two Sum solved three ways: brute force, ...

Strings feel simple to use, but underneath they're built from something surprisingly familiar: an array of characters. In this video ...

What's the difference between "dimension" and "shape"? Is a Java 2D array really stored as one flat block in memory — or ...

Ever wondered what actually happens inside a Java ArrayList when you call add(), remove(), or get()? This is a complete, ...

You've reversed, rotated, and compared whole strings — now it's time to work with just a piece of one. In this video, we build the ...

Arrays are fast to read by index, but inserting into the middle can mean shifting every element after it. In this video, we build a ...

Two strings can be completely different and still be anagrams of each other — same letters, just shuffled. In this video, we start ...

Why must Two Sum check the HashMap BEFORE adding the current number? See how the wrong order reuses one index—and ...

Where does Java look when you call get()? Follow one key from its hash code to its bucket, then see how HashMap handles ...

All twelve data structures, drawn and explained — array, dynamic array, linked list, stack, queue, hash map, hash set, tree, binary ...

Most developers memorize BFS and DFS… …but never actually understand the difference. They know: “Queue for BFS”, “Stack ...

In this video, I'm going to be talking about another data structure that implements the concept of the list or what we call it a list ...

Qué separa cada uno de los tres modelos de arquitectura, qué problema resuelve cada uno y cómo se ve el recorrido completo ...

All 12 data structures explained visually: https://youtu.be/FTaQY_SIrgo reset vs revert - the Git answer that fails the follow-up: ...

... Design Patterns: https://www.youtube.com/playlist?list=PL2MKEvl7Sd7mPNjJ-JFu04kt-e1SRB93w Tree Data Structure: ...

The vast majority (cough cough, go) of programming languages out there have enums, but for some reason every language winds ...

Java compiles to bytecode, and bytecode decompiles back to source almost perfectly. The usual answer to that has been ...

A singly linked list can only walk forward: standing at a node, there is no way back. In this video, we fix that with the doubly linked ...