HashMap vs. TreeMap vs. Hashtable vs. LinkedHashMap

HashMap vs. TreeMap vs. Hashtable vs. LinkedHashMap

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Map is one of the most important data structures in Java. In this post, I will illustrate how to use different types of maps, such as HashMap, TreeMap, HashTable and LinkedHashMap. 1. Map Overview There are 4 commonly used implementations of Map in Java SE – HashMap, TreeMap, Hashtable and LinkedHashMap. If we use only … Read more