Is empty set an element of empty set?
how to know the total memory occupied by the objects in the ArrayList(Array list may contain duplicate objects)
How would overload a function based on return type?
What is dynamic array in java?
I have a sorting issue with a Hashmap. My constraint is that I MUST use the Hashmap and work with existing code. I do a database query and place the results in a Hashmap. When I iterate thru the Hashmap, it loses the original alphabetical sorting done by the database. So, my problem is that I must sort the results coming out of the Hashmap which is then placed into another class.
Memory management in JAVA
3 Answers Tech Mahindra, Wipro,
Which characters are allowed to use as the second character of an identifier, and which characters are not allowed?
What is jpa specification?
What is a instance variable?
What is difference between printf and scanf?
What is an immutable class?
what is the difference between sleep() and Wait()?
What is the tradeoff between using an unordered array versus an ordered array?