Access and practice interview questions covering Java, concurrency, Redis, Spring, and more. Solve problems in areas like backend development, frontend frameworks, mobile technologies, and computer fundamentals.
by 登健 程★ 4.414 ratingsEducationFreeData updated 2026-09-12
Learn iOS development through interactive with tap, double tap, long press, drag and drop, and shortcut actions. Practice coding features directly in . Solve problems through hands-on exercises and receive real-time feedback.
Explore interactive dioramas of forests, deserts, and grasslands. Discover species through animations and simulations. Learn about ecosystems, habitats, and biodiversity. Conduct virtual experiments and observe changes over time.
Create and animate drawings with a variety of painting tools and brushes. Record and share artwork as videos. Use a whiteboard for tutorials and pitch recordings. Access symmetry and guides for precision. Export creations in multiple formats.
Read interactive storybooks with animated illustrations and sound effects. Explore pictures and learn vocabulary. Personalize stories with narration. Choose from multiple books about kindness, sharing, and community values.
The app offers four math games with an Easter theme: Memory Match, Catch Me!, Easter Egg Hunt, and Spring Bingo. It includes addition, subtraction, multiplication, and division modes with three difficulty levels.
Flashcards cover sorting, searching, and other exam topics. Includes code snippets for concept explanation. Supports iPhone and iPad. Allows scroll, pinch zoom, and tap gestures. Not a Java tutorial.
HTML, CSS, JavaScript, React, and Angular through practical tutorials and code examples. Write code and view live outputs. Complete courses cover web design and front-end development with structured lessons and hands-on practice.
Write, test, and share JavaScript, CSS, and code snippets. Support multiple languages including JS, JSX, TypeScript, CSS, SASS, SCSS, PostCSS, Less, , and Pug. Use quick shortcuts and code suggestions for faster coding.
Contains a directory of standard and SQL operations. Provides code examples from books and online resources. Includes ready-made code for problem-solving. Useful for exam and interview preparation. Available on iOS and macOS.
Learn Python with interactive tutorials and challenges
Learn Python with structured courses covering core concepts, data analysis, and machine learning. Practice coding in an integrated development environment. Complete interactive quizzes and challenges to reinforce skills.