What is thread safety? How do you achieve it?
What is thread safety?
How to traverse data in a linked list in forward and backward direction, write the algorithm?
Explain the internal working of a hash map?
Can the double-checked locking fail on a single processor system?
What is a concurrenthashmap?
What is an externalizable interface?
Explain the difference between hashset and hashmap?
Explain the priority queue?
Explain about map and their types?
What is meant by ordered and sorted in collections?
Explain about set and their types in a collection?
What are all the classes and interfaces that are available in the collections?
Difference between hashset and treeset?
Explain about the different lists available in the collection?