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Before starting Data Structures and Algorithms (DSA), it is very important to understand the basics of Java. In this video, we ...

Master coding from basics to advanced with comprehensive tutorials on Data Structures & Algorithms, Full Stack Development, ...

Learn Queue in Java! This tutorial covers everything you need to understand and use Queue in your Java programs. Perfect for ...

Day 4/150 – LeetCode 150 Interview Questions Series (Java) In this video, we solve the “Valid Anagram” problem — a popular ...

Learn LinkedList in Java! This tutorial covers everything you need to understand and use LinkedList in your Java programs.

Learn HashMap in Java! This tutorial covers everything you need to understand and use HashMap in your Java programs. Perfect ...

Learn Stack in Java! This tutorial covers everything you need to understand and use Stack in your Java programs. Perfect for ...

Learn Autoboxing in Java! This tutorial covers everything you need to understand and use Autoboxing in your Java programs.

In this video, I explain how to add 1 to a number represented as a linked list using a clear step-by-step animation. This is a ...

This video covers the complete Java Development Roadmap from beginner to advanced. Learn Core Java, Advanced Java, ...

Learn Streams API in Java! This tutorial covers everything you need to understand and use Streams API in your Java programs.

Learn ArrayList in Java! This tutorial covers everything you need to understand and use ArrayList in your Java programs. Perfect ...

Learn Garbage Collection in Java! This tutorial covers everything you need to understand and use Garbage Collection in your ...

Learn Generics in Java! This tutorial covers everything you need to understand and use Generics in your Java programs. Perfect ...

Learn Java For Loops in the simplest way! ‍ In this video, we explain the Java for loop with 3 simple examples: 1️⃣ ...

Learn Java Threads in Java! This tutorial covers everything you need to understand and use Java Threads in your Java programs.

Learn StringBuilder in Java! This tutorial covers everything you need to understand and use StringBuilder in your Java programs.

Learn Lambda Expressions in Java! This tutorial covers everything you need to understand and use Lambda Expressions in your ...

Learn Wrapper Classes in Java! This tutorial covers everything you need to understand and use Wrapper Classes in your Java ...

Welcome to Crack Coding Interviews, an Interview Preparation Series focused on Data Structures and Algorithms. I'm Puneet, a ...