Common uses of Java in phone:

Mobile Applications: Java is a popular language for developing mobile applications, especially for Android platforms.

Games: Java is widely used to develop games for mobile phones, including puzzle games, action games, and sports games.

Enterprise Solutions: Java is used to develop enterprise solutions for mobile phones, such as customer relationship management (CRM) systems, sales management systems, and inventory management systems.

GPS Navigation: Java is used to develop GPS navigation applications for mobile phones, which provide users with turn-by-turn directions, traffic updates, and maps.

Multimedia: Java is used to develop multimedia applications for mobile phones, such as music players, video players, and image editors.

Social Networking: Java is used to develop social networking applications for mobile phones, such as Facebook, Twitter, and Instagram.

Cloud Computing: Java is used to develop cloud computing applications for mobile phones, which allow users to access their data and files from any device with an internet connection.