How to choose Collection in Java? List, Set, Map, and Queue Example

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The Java series framework offers implementation of different statistics shape like an array, listing, set, map, queue, tree, etc and the selection honestly relies upon upon the situation and properties of the distinctive statistics structure. For example, if your requirement is rapid seek with index then you may use ArrayList and if you need to keep key-value pairs then you definitely would bear in mind the usage of hash desk data shape and there are a couple of implementation of hash table records shape in Java, like HashMap, Hashtable, LinkedHashMap, TreeMap, and ConcurrentHashMap. Now, which one will you choose? In case you do not know or pressured do not worry, i will provide you with a set of guidelines and use cases which will assist you pick out the proper collection type in Java depending upon scenario.