About this app
Master Data Structures and Algorithms using Java. Learn Data Structure and Algorithm concepts with our comprehensive tutorial app. Perfect for beginners starting their coding journey and developers preparing for technical interviews. All examples use Java. Available in 7 Languages: • English, French, German, Italian, Portuguese, Russian, and Spanish — study in your native language! What You'll Learn: • Algorithm fundamentals and complexity analysis • Arrays, strings, linked lists, stacks, and queues • Hash tables, sets, trees, and graphs • Sorting algorithms: insertion, merge, and quicksort • Graph algorithms: BFS, DFS, Dijkstra's, and Prim's • Dynamic programming, greedy algorithms, and backtracking Complete Learning Experience: • 31 structured chapters from beginner to advanced • Step-by-step tutorials with clear explanations • Complete, runnable Java code examples • Interactive quiz questions to test your knowledge User-Friendly Features: • Dark and light theme options • Offline learning - no internet required • Search functionality across all content • Bookmark important topics (favorites) • Clean, distraction-free interface Perfect for: • Complete beginners with no prior DSA experience • Students preparing for coding interviews • Computer science students learning algorithms • Developers strengthening their problem-solving skills • Self-learners building strong programming foundations Start your DSA mastery journey today - from basic concepts to interview-ready problem solving!
Latest release
What’s New
Updated content and libraries. New UI design for iPad.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 11:38 AM $4.99