What is the function of static in java?
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How list contains works in java?
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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.
What is the difference between a static and a non-static inner class in java programming?
Explain the difference between string, stringbuffer and stringbuilder in java?
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If I have 1000 objects and my requirement is to sort them quickly, then which collection would you recommend and why?
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Why do we declare a class static?
Explain what is encapsulation?