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Java-Dictionary

6 posts

Differences between Array and Dictionary Data Structure

Last Updated: 08 May 2023

Arrays:The array is a collection of the same type of elements at contiguous memory locations under the same name.It is easier to access the element in the case of an array...read more

Data Structures

Difference Between

Java-Dictionary

Dictionary keys() Method in Java with Examples

Last Updated: 27 December 2018

The keys() method of Dictionary class in Java is used to get the enumeration of the keys present in the dictionary.Syntax:Enumeration enu = DICTIONARY.keys()Parameters: Th...read more

Java-Collections

Java - util package

Java-Dictionary

Dictionary put() Method in Java with Examples

Last Updated: 27 December 2018

The put() method of Dictionary is used to insert a mapping into the dictionary. This means a specific key along with the value can be mapped into a particular dictionary.S...read more

Java-Collections

Java - util package

Java-Dictionary

Dictionary get() Method in Java with Examples

Last Updated: 27 December 2018

The get() method of Dictionary class is used to retrieve or fetch the value mapped by a particular key mentioned in the parameter. It returns NULL when the dictionary cont...read more

Java-Collections

Java - util package

Java-Dictionary

Dictionary size() Method in Java with Examples

Last Updated: 27 December 2018

The size() Method of Dictionary class in Java is used to know the size of the dictionary or the number of distinct keys present in the dictionary.Syntax:DICTIONARY.size()P...read more

Java-Collections

Java - util package

Java-Dictionary

Java Dictionary Class

Last Updated: 17 December 2024

Dictionary class in Java is an abstract class that represents a collection of key-value pairs, where keys are unique and used to access the values. It was part of the Java...read more

Java - util package

Java-Dictionary