what is a thread pool in java and why is it used?
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What is a vararg?
what release of java technology are currently available what do they contain?
What method is used to specify a container's layout in java programming?
Can you have an inner class inside a method and what variables can you access?
While opening the file, what type of exceptions can be caught?
Can we have two methods in a class with the same name?
How is hashset defined in java?
What is the base class in java from which all classes are derived?
suppose we have an interface & that interface contains five methods. if a class implements that interface then we have to bound that to give tha definition of all five methods in that class. If we declare that class as abstract then can we call only two methods to give the deinition of that method & i don't want to give the definition of all the methods? can it possible
Is an empty arraylist null?
What happens when the main() isn't declared as static?
I dont want to use serialzable in java is there any another concept so plz tell me