java-map

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How to Convert Map to JSON to HashMap in Java?

Last Updated: 04 August 2022

JSON is an open standard file format, and easier data interchange format helpful for humans to transmit data. Most of the apps display JSON ...read more

Java

Java-HashMap

JSON

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Picked

How To

Difference between List, Set and Map in Java

Last Updated: 27 September 2021

List interface in Java is a sub-interface of the Java collections interface. It contains the index-based methods to insert, update, delete, ...read more

Map Values() Method in Java With Examples

Last Updated: 10 September 2020

Map Values() method returns the Collection view of the values contained in this map. The collection is backed by the map, so changes to the ...read more

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How to convert a Stream into a Map in Java

Last Updated: 21 June 2020

Introduced in Java 8, the Stream API is used to process collections of objects. A stream is a sequence of objects that supports various meth ...read more

Java-Stream-Collectors

Java 8

Java-Collectors

How to find the Entry with largest Value in a Java Map

Last Updated: 25 April 2025

Given a map in Java, the task is to find out the entry in this map with the highest value. Illustration: Input : Map = {ABC = 10, DEF = 3 ...read more

Java

java-map

Initialize a static map in Java with Examples

Last Updated: 27 October 2021

In this article, a static map is created and initialized in Java.A static map is a map which is defined as static. It means that the map bec ...read more

Java

Static Keyword

java-map

How to Clone a Map in Java

Last Updated: 21 January 2019

Given a map, the task is to clone that map.Following are the 5 different ways to Clone a Map in Java.Example:{1=Geeks, 2=For, 3=Geeks} Me ...read more

Map put() Method in Java with Examples

Last Updated: 16 February 2024

The Map put() method associates the specified value with the specified key in the map. The map put() method is used to insert new key-value ...read more

Map get() method in Java with Examples

Last Updated: 07 May 2023

The get() method of Map interface in Java is used to retrieve or fetch the value mapped by a particular key mentioned in the parameter. It r ...read more

Map remove() Method in Java with Examples

Last Updated: 11 July 2024

The map.remove() method is used to remove the mapping for a key from this map if it is present in the map.Syntax:V remove(Object key)Paramet ...read more

Program to Convert List to Map in Java

Last Updated: 19 June 2019

The List is a child interface of Collection. It is an ordered collection of objects in which duplicate values can be stored. Since List pres...read more

Technical Scripter 2018

Java-List-Programs

Java-Map-Programs

Program to convert a Map to a Stream in Java

Last Updated: 11 December 2018

A Stream is a sequence of objects that supports various methods which can be pipelined to produce the desired result. Below are various meth ...read more

Immutable Map in Java

Last Updated: 03 March 2023

ImmutableMap, as suggested by the name, is a type of Map which is immutable. It means that the content of the map are fixed or constant afte ...read more

Conversion of Java Map to List

Last Updated: 07 February 2025

In Java, a Map is a collection that maps keys to values and a list is an ordered collection of objects and the List can contain duplicate va ...read more

Map Interface in Java

Last Updated: 23 April 2025

In Java, the Map Interface is part of thejava.utilpackage and represents a mapping between a key and a value. The Java Map interface is not ...read more

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