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Core Java Interview Questions and Answers

Ques. What is Dictionary Class in Java?
Ans.

Dictionary is an abstract class that represents a key/value storage repository and operates much like Map.

Given a key and value, you can store the value in a Dictionary object. Once the value is stored, you can retrieve it by using its key. Thus, like a map, a dictionary can be thought of as a list of key/value pairs.

The Dictionary class is obsolete. You should implement the Map interface to obtain key/value storage functionality.

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