java-map

39 posts

Last Updated: 12 March 2024

The Java Collection framework is a fundamental part of the Java programming language, It covers a major part of Java and acts as a prerequis...read more

Java

Java-Collections

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Java-Collection-Programs

Difference Between keySet() and entrySet() Method in Java Map

Last Updated: 02 June 2022

Map Interface is present in Java.util package, which provides mainly three methods KeySet(),entrySet() and values(). These methods are used ...read more

Technical Scripter 2020

Map size() Method in Java With Examples

Last Updated: 02 June 2023

Map size() method in Java is used to get the total number entries i.e, key-value pair. So this method is useful when you want total entries ...read more

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Minimum distance between any two equal elements in an Array

Last Updated: 20 April 2023

Given an array arr, the task is to find the minimum distance between any two same elements in the array. If no such element is found, return ...read more

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

Last Updated: 19 July 2022

Given a map in Java, the task is to find out the entry in this map with the highest key. Examples:Input: Map = {ABC = 10, DEF = 30, XYZ = 20 ...read more

Java

java-map

Java-Map-Programs

Initialize a static Map using Java 9 Map.of()

Last Updated: 14 July 2022

In this article, a static map is created and initialised in Java using Java 9.Static Map in JavaA static map is a map which is defined as st ...read more

Java

Static Keyword

java-map

Map putAll() Method in Java with Examples

Last Updated: 02 January 2019

This method is used to copy all of the mappings from the specified map to this map.Syntax: void putAll(Map m)Parameters: This method has th ...read more

Java Map equals() Method

Last Updated: 21 January 2025

The equals() method of Map interface in Java is used to check if two maps are equal. Two maps are considered equal if they meet the followin...read more

Map entrySet() method in Java with Examples

Last Updated: 20 January 2022

The java.util.Map.entrySet() method in Java is used to create a set out of the same elements contained in the map. It basically returns a se ...read more

Map containsValue() method in Java with Examples

Last Updated: 31 December 2018

The java.util.Map.containsValue() method is used to check whether a particular value is being mapped by a single or more than one key in the ...read more

Map containsKey() method in Java with Examples

Last Updated: 31 December 2018

The java.util.Map.containsKey() method is used to check whether a particular key is being mapped into the Map or not. It takes the key eleme ...read more

Map clear() method in Java with Example

Last Updated: 31 December 2018

The java.util.Map.clear() method in Java is used to clear and remove all of the elements or mappings from a specified Map collection.Syntax: ...read more

Map keySet() Method in Java with Examples

Last Updated: 27 November 2024

This method is used to return a Set view of the keys contained in this map. The set is backed by the map, so changes to the map are reflecte ...read more

Java Map hashCode() Method

Last Updated: 21 January 2025

In Java, the hashCode() method is a part of the Object class and is used to generate a hash code value for an object. Example 1: Hash Code f ...read more

Map isEmpty() Method in Java with Examples

Last Updated: 02 January 2019

This method is used to check if a map is having any entry for key and value pairs. If no mapping exists, then this returns true.Syntax: bool ...read more

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