reflect Provides classes and interfaces for obtaining reflective information about classes and objects. java. util Provides the collections framework, formatted printing and scanning, array manipulation utilities, event model, date and time facilities, internationalization, and miscellaneous utility classes.

What is Java Util Lang package?

The java. lang package provides classes that are fundamental to the design of the JavaTM programming language. The java. util. * packages provide support for the event model, collections framework, date and time facilities, and contains various utility classes.

What is the difference between Java IO and Java Util?

2) java.io: Contains classed for supporting input / output operations. 3) java. util: Contains utility classes which implement data structures like Linked List, Dictionary and support ; for Date / Time operations.