Objectives:
  • Understand what is Collection framework and its usage.
  • Understand the hierarchy of Collection Framework.
Introduction to Collection
  • A Collection is a group of objects.
  • Collections framework provides a set of standard utility classes to manage collections.
  • Collections Framework consists of three parts: Core Interfaces, Concrete Implementation, Algorithms such as searching and sorting.
Advantages of Collections
  • Reduces programming effort: By providing useful data structures and algorithms so you don't have to write them yourself.