Laxmi kantforMCODEmcode.hashnode.dev·Apr 20, 2022HashMap IntroductionHashMap is a class in the java.utils package that implements the Map interface.It is used to store the key-value pair. Some of the features of HashMap are: The keys should be unique. HashMap allows only one null key. The values can be null or duplic...34 readsBlogsAndroidAdd a thoughtful commentNo comments yetBe the first to start the conversation.