How many types of operators are there?
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What is int short for?
What is string made of?
What is garbage collection? Can it be forced to run?
Why arraylist is used in java?
how to minimize the functionality to will not force garbage collector?
How can I become a good programmer?
What is data type modifier?
What is an array in java?
Is multiple inheritance supported by 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 the purpose of javac exe?
What is the use of protected in java?