Abstract: As mobile devices and mobile Internet cover large area, the development of mobile learning also got bigger. This article mainly expounds the JAVA mobile learning system under the environment ...

The subscription economy helped boost mobile app revenues in 2025, even as app downloads declined for the fifth consecutive year, according to app intelligence firm Appfigures‘ annual report. In 2025, ...

Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...