Java Recipes vs Javascript Guide

A reference of everyday Java, from strings and collections to threading and design patterns. Every example comes with an explanation, and most of them run. • 22 sections: simple types, arrays and collections, classes, interfaces and generics, functions and lambdas, files, serialization, exceptions, regular expressions, threading, databases, patterns. • Run in the app: the example really executes and the output appears under the code. Needs an internet connection. • What changed in new versions: 8 sections from Java 9 to 21, with "before" and "after" code side by side. • Keyword and function reference: 160 articles, fully open with no daily counter. • SQL alongside: over 200 queries against a live practice database - JOIN, GROUP BY, subqueries, data types. • Edit examples and add your own - they stay in the app and are always at hand. • Search runs over the code itself, not just the titles: remember a fragment and you will find the example. • Everything except running works offline. No account needed. WHAT THE FREE VERSION INCLUDES 12 runs and 12 edits a day - the counter resets every morning. The keyword reference is open without limits. Up to 5 examples of your own. Copying in the free app is blocked after five attempts. The full version opens every example, removes the daily limits and raises running to 30 launches a day. One purchase, no subscription. Made by a developer for developers. In development since 2015.

JavaScript Guide — Learn JavaScript from Scratch JavaScript Guide is your complete companion for mastering JavaScript. Designed for beginners and anyone wanting to build strong JavaScript skills, this app breaks down complex concepts into bite-sized, practical lessons you can complete at your own pace. Learn the essential JavaScript skills that power modern web development. Build a rock-solid foundation that will serve you throughout your entire coding journey, whether you're building websites, web apps, or exploring frameworks like React, Vue, and Node.js. What You'll Master Variables and data types (let, const, strings, numbers, booleans) Type conversion and comparisons (=== vs ==, truthy/falsy) Control flow (if/else, switch, loops) Functions (regular functions, arrow functions, parameters, scope) Arrays and powerful array methods (map, filter, forEach, find) Objects, methods, and working with this Destructuring for cleaner code JSON parsing and stringifying Error handling (try/catch, common JavaScript errors) Debugging strategies and best practices Three Learning Modes Guide — Step-by-Step Curriculum Follow 30 carefully structured chapters that build from absolute basics to confident JavaScript fundamentals. Each chapter includes: Clear explanations with real-world context Live code examples you can learn from Practical notes highlighting common pitfalls Progressive difficulty that respects your learning curve Quiz — Interactive Practice Reinforce what you've learned with hands-on quizzes: Diverse question formats to test your understanding Instant feedback with detailed explanations XP rewards and achievement badges to track your progress Practice makes perfect — complete all chapters to master JavaScript Reference — Quick Lookup A curated, searchable reference covering: Data types and operators String and number methods Array methods with examples Object manipulation techniques Common error types and solutions JSON APIs Perfect for quick refreshers while coding or studying. Learn JavaScript the Right Way JavaScript Guide teaches modern JavaScript (ES6+) best practices from day one: Use let and const (not var) Prefer === over == Master arrow functions Understand scope properly Write clean, readable code Build skills with clean, modern JavaScript that follows current industry standards. Who This Is For Complete beginners starting their coding journey Developers transitioning from other languages Anyone preparing for JavaScript interviews Students building essential programming skills Self-learners wanting structured, clear JavaScript education Track Your Progress Complete 30 guided chapters Earn XP for every quiz question answered Unlock achievement badges for milestones Bookmark important topics for quick review See exactly where you are in your learning journey Privacy First No account required No login or sign-in needed No tracking or analytics 100% free — all content unlocked from day one Works completely offline Download JavaScript Guide and start learning coding today.