top 20 solved java collection framework mcqs | java collection mcqs

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00:00 - What is the Java Collection Framework?
00:56 - Why do we need a Collection Framework in Java?
01:50 - What are interfaces and classes in Java Collections?
02:54 - Which collections allow only unique elements?
03:53 - Java Collections Framework and its package
04:47 - Null keys and values in Java Collections
05:51 - Which collection type uses more memory space?
06:51 - How to store elements as key-value pairs?
07:43 - What is a Map in Java?
08:33 - Can Maps contain duplicate keys?
09:39 - Difference between List and Set in Java Collections
10:50 - What is a singly linked list in Java?
12:01 - Time complexity of ArrayList vs LinkedList
13:07 - Push and pop operations in Java Collections
14:10 - Which collections are not part of the framework?
15:12 - How do Maps maintain order in Java?
16:20 - Priority queues vs linked lists in Java
17:06 - Summary of the Java Collection Framework