collections in java interview questions with examples


Java Collections Interview Questions and Answers

Below are some of the Java Collections Interview Questions and Answers. Java Collections Interview Questions and Answers 1. What is a collections ? Collection is an object which manages a group of objects called elements which are of same kind, that is they all descents from common parent type. 2. What are the core collection interfaces? Collection,Set, SortedSet, List, Queue,Deque and Map. SortedSet and SortedMap interfaces are sorted versions of Set […]


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