How to create a dictionary in Java

How to create a dictionary in Java Answer

Java dictionary is an abstract class that stores key-value pairs. Given a key, its corresponding value can be stored and retrieved as needed; thus, a dictionary is a list of key-value pairs.

The Dictionary object classes are implemented in java.util.

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Creating a dictionary

The first step to creating a dictionary in Java is to choose a class that implements a “key-value pair” interface; a few examples include HashTablesHashMap, and LinkedHashMap.

Syntax

The declaration and initialization of a dictionary follows the syntax below:

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Code

The code snippet below illustrates how to create a dictionary in Java and the usage of a few of the class’s methods:

A Java dictionary is an abstract class that stores key-value pairs. Given a key, its corresponding value can be stored and retrieved as needed; thus, a dictionary is a list of key-value pairs.

The Dictionary object classes are implemented in java.util.

svg viewer
Creating a dictionary
The first step to creating a dictionary in Java is to choose a class that implements a “key-value pair” interface; a few examples include HashTables, HashMap, and LinkedHashMap.

Syntax
The declaration and initialization of a dictionary follows the syntax below:

svg viewer
Code
The code snippet below illustrates how to create a dictionary in Java and the usage of a few of the class’s methods:
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