This video can help you to learn java collections interview questions with explanation
Q)Why we override equals() method?
Q)What is hash-collision in Hashtable and how it is handled in Java?
Q)What is the Dictionary class?
Q)What are the practical benefits, if any, of importing a specific class rather than an entire package (e.g. import java.net.* versus import java.net.Socket)?
Q)What is Garbage Collection?
Q)What is the difference between Collection and Collections?
Q)How to synchronize…