What classes of exceptions, caught by a catch clause?
A catch clause can catch any exception that is assigned to
the throable type.It includes both run time errors and
exceptions.
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Why do we use bufferedreader?
What carriage return means?
where to use join method and explain with real time senario?and programatical explenation also..
What is difference between call by value and call by reference?
How hashmap works in java?
What is the use of isempty in java?
What is a layout manager and what are different types of layout managers available in java awt?
What are the basic control structures?
Why are parameters used in functions?
Is there a sort function 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.
How do you insert a line break?