Why are arrays useful in java?
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does core java and j2se both are same?
How do you empty a list 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.
What is an example of a conditional statement?
What is complexity and its types?
What is a loop java?
What is the loop in java?
What is thread life cycle?
Explain about varargs in java?
Explain Stream Tokenizer?
What is the arraylist in java?
What is foreach loop in java?