Why is singleton class used?
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What are generic methods?
What is string in java with example?
What is parsing a string?
What is arrays sort in java?
Difference between Encapsulation and Abstraction
In how many ways we can do exception handling 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.
How many tetrahedral voids are there in bcc?
How many threads can I run java?
what is object deep copy and shallow copy and why it is required?
What happens if we override private method?
What is set in java?