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
The app offers animated puzzles with cars and rockets made of geometric shapes. Puzzles range from simple drag-and-drop to those requiring resizing and rotation.
This app investigates the relationship between force and spring length using a spring-mass system. It provides a 3D simulation with realistic data, including errors, for analysis.
The app presents a series of children's books about nature, focusing on phenomena like mountains and rivers. The first book, Mountain's Diary, introduces four mountain friends and their experiences throughout the seasons.
