SOFTWARE ENGINEERING

Detailed explanation-1: -util Description. Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).

Detailed explanation-2: -Package java. util. Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.

Detailed explanation-3: -util. Provides the classes necessary to create an applet and the classes an applet uses to communicate with its applet context. Contains all of the classes for creating user interfaces and for painting graphics and images.