The Baeldung logo
  • The Baeldung Logo
  • Start Here
  • Spring Courses ▼▲

    • REST with Spring Boot

      The canonical reference for building a production grade API with Spring

    • Learn Spring Security ▼▲

      THE unique Spring Security education if you’re working with Java today

      • Learn Spring Security Core

        Focus on the Core of Spring Security 6

      • Learn Spring Security OAuth

        Focus on the new OAuth2 stack in Spring Security 6

    • Learn Spring

      From no experience to actually building stuff​

    • Learn Spring Data JPA

      The full guide to persistence with Spring Data JPA

  • Java Courses ▼▲

    • Learn JUnit

      Master the most popular Java testing framework.

    • Learn Maven

      Simplify Your Build with Apache Maven

    • Learn Hibernate JPA

      Master persistence with the Java specification and Hibernate implementation

    • Learn Mockito

      Enhance your unit tests through practical mocking

  • Pricing
  • About ▼▲

    • Full Archive

      The high level overview of all the articles on the site.

    • Baeldung Ebooks

      Discover all of our eBooks

    • About Baeldung

      About Baeldung.

Category upJava Collections

Java Map

Find out how to use ConcurrentMap, TreeMap, LinkedHashMap, and other Map implementations. The guides below cover basic as well as more advanced Map features.

  • Java HashMap (53)
  • Map Conversions (12)
  • Map Entry (12)
  • Java Map Basics (10)
  • Apache Commons Collections (9)
  • Guava (9)
  • MultiMap (8)
  • LinkedHashMap (7)
  • ConcurrentMap (6)

>> A Guide to Java HashMap

  • popular
  • reference

>> Using the Map.Entry Java Class

  • reference

>> The Map.computeIfAbsent() Method

  • popular

>> Working With Maps Using Streams

  • popular

>> Using a Custom Class as a Key in a Java HashMap

>> Get a Submap From a HashMap in Java

>> Count Occurrences Using Java groupingBy Collector

>> Converting Java Properties to HashMap

  • Spring Properties

>> Optimizing HashMap’s Performance

>> Java HashMap Load Factor

>> Using a Byte Array as Map Key in Java

>> Collections.synchronizedMap vs. ConcurrentHashMap

>> Get the First Key and Value From a HashMap

>> Java Map With Case-Insensitive Keys

>> Using Guava’s MapMaker

>> Copying a HashMap in Java

>> Map of Primitives in Java

>> Guide to Apache Commons MultiValuedMap

>> Map to String Conversion in Java

>> Differences Between HashMap and Hashtable in Java

  • «
  • ← Previous
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • Next →
Course – LSSO – NPI EA (tag = OAuth)
LSSO Course Banner
The Baeldung logo

Courses

  • All Courses
  • Baeldung All Access
  • Baeldung All Team Access
  • The Courses Platform

Series

  • Java “Back to Basics” Tutorial
  • Learn Spring Boot Series
  • Spring Tutorial
  • Get Started with Java
  • All About String in Java
  • Security with Spring
  • Java Collections

About

  • About Baeldung
  • The Full Archive
  • Editors
  • Our Partners
  • Partner with Baeldung
  • eBooks
  • FAQ
  • Baeldung Pro
  • Terms of Service
  • Privacy Policy
  • Company Info
  • Contact
The Baeldung Logo