What are recursive functions? Give some examples?
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Is hashmap thread safe?
What is map java?
Where can I find data structures question and answers with comprehensive working code written in Java
what is server side caching?
What is the exact difference in between Unicast and Multicast object ?
What are the advantages of inner classes?
What is the difference between an argument and a parameter?
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.
whats the purposr of using serialization?
What is the use of set in java?
In the HashMap, we know the values but we dont know the key, then how can we get the key from HashMap ?????
What is keyword auto for?