How does a cookie work in Servlets?
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What is the main advantage of passing argument by reference?
Does java support multiple inheritances?
What is a method signature java?
Is arraylist zero based?
In which language java is written?
What is meant by packages?
What is a java list?
What is main string [] args?
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.
Can we write class inside a class in java?
Can a class have 2 constructors?
what is difference between throw and throws in exception?