--- title: Frequently Asked Java Concept Programs-Part3-HashMap... description: This post explains the internal workings of HashMap in Java and answers commonly asked questions regarding its usage, such as overloading equals() and... canonical: https://daily.dev/posts/frequently-asked-java-concept-programs-part3-hashmap-internal-working-jyclx8mex twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Frequently Asked Java Concept Programs-Part3-HashMap Internal working | daily.dev og:description: This post explains the internal workings of HashMap in Java and answers commonly asked questions regarding its usage, such as overloading equals() and... og:url: https://daily.dev/posts/frequently-asked-java-concept-programs-part3-hashmap-internal-working-jyclx8mex og:image: https://api.daily.dev/og/posts/JycLX8MEX.png og:image:alt: Frequently Asked Java Concept Programs-Part3-HashMap Internal working og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Frequently Asked Java Concept Programs-Part3-HashMap Internal working **[Javarevisited](https://daily.dev/sources/javarevisited)** · 8 min read · 13 upvotes · 1 comments ## Summary This post explains the internal workings of HashMap in Java and answers commonly asked questions regarding its usage, such as overloading equals() and hashcode() method, Java8 changes to HashMap, and when to use HashMap over other collections. ## Full article daily.dev links to this article rather than hosting it. 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