Why generics are used in java?
What does s mean in regex?
Where is const variable stored?
Is java map thread safe?
what is custom tags with example?
How hashset works internally in java?
What are parsing rules?
Difference between Linked list and Queue?
What is the base class for error and exception?
What is the difference between comparison done by equals method and == operator?
what is meant by Garbage collection?
Which sorting is best in java?
What is the exact difference in between Unicast and Multicast object ?