How are variables stored in memory?
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what is check p object in java
what is purpose of collections.unmodified() method..?
Give reasons supporting that string is immutable.
Is c better than java?
How long will it take to learn java?
What does you mean in math?
Explain method overloading?
How Array List can be Serialized.
Explain how to convert any java object into byte array.
what is mutual exclusion? How can you take care of mutual exclusion using java threads? : Java thread
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 types of index data structures can you have in java?