Computer Science II - Maps

Flashcards summarizing key concepts related to Maps in Java from the Computer Science II course.

Map

A data structure that maps keys to values/objects, where keys must be unique.

Key-Value Pair

A combination of a unique key and a value associated with that key in a map.

HashMap

A common implementation of the Map interface that allows for efficient key-value storage and retrieval.

Contains Key

A method used to check if a specific key exists in a map.

Put Method

A method used to add a key-value pair to a map.

Get Method

A method used to retrieve a value associated with a key in a map.

Remove Method

A method used to delete a key-value pair from a map based on the key.

keySet()

A method that returns a set view of the keys contained in the map.

value()

A method that returns a collection view of the values contained in the map.

Generic Interface

An interface that allows for the definition of classes that operate on typed parameters in a flexible way.