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Technologies1

Data Structures & Algorithms

Learn the patterns behind interview problems, then implement them in JavaScript, Java, C#/.NET, or Python.

75 lessons

Lessons12

Java DSA basics

Common data structures in Java

2 min · Foundation
Arrays and strings in Java

Key operations

2 min · Foundation
Linked list in Java

Node structure

2 min · Foundation
Dynamic programming in Java

Common Java DP problems

2 min · Intermediate
Trees and BST in Java

Tree node

2 min · Intermediate
Heaps and priority queue in Java

Important class

2 min · Intermediate
Sorting and searching in Java

Sorting

2 min · Intermediate
Best Java DSA interview practice list

Must know

2 min · Advanced
Hashing and maps in Java

Why it matters

2 min · Foundation
Stack and queue in Java

Stack

2 min · Intermediate
Recursion and backtracking in Java

Common questions

2 min · Intermediate
Graphs in Java

Graph representation

2 min · Intermediate

Interview questions12

Java DSA basics

Common data structures in Java

Data Structures & Algorithms
Arrays and strings in Java

Key operations

Data Structures & Algorithms
Linked list in Java

Node structure

Data Structures & Algorithms
Dynamic programming in Java

Common Java DP problems

Data Structures & Algorithms
Trees and BST in Java

Tree node

Data Structures & Algorithms
Heaps and priority queue in Java

Important class

Data Structures & Algorithms
Sorting and searching in Java

Sorting

Data Structures & Algorithms
Best Java DSA interview practice list

Must know

Data Structures & Algorithms
Hashing and maps in Java

Why it matters

Data Structures & Algorithms
Stack and queue in Java

Stack

Data Structures & Algorithms
Recursion and backtracking in Java

Common questions

Data Structures & Algorithms
Graphs in Java

Graph representation

Data Structures & Algorithms

Modules2

JavaScript implementations

Data Structures & Algorithms learning module

14 lessons
Java implementations

Data Structures & Algorithms learning module

14 lessons
Explore Data Structures & Algorithms interview questions