P99soft Project Trainee Interview Questions and Answers

Collection in Java refers to a group of objects that are stored and manipulated together.

• Collections framework in Java provides interfaces (List, Set, Map) and classes (ArrayList, HashSet, HashMap) for storing and manipulating groups of objects.

• Collections allow for easy manipulation, sorting, searching, and iteration of objects.

• Common methods include add(), remove(), contains(), size(), and clear().

• Example: List names...read more