What is hashtable and explain features of hashtable?
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Is void a return type?
Can we overload the methods by making them static?
What do you understand by the term singleton?
What is jar?
Difference between vector and arraylist.
What is 16 bits called?
How do you create immutable object in java?
Why does java not allow multiple public classes in a java file ?
Why is the type for real numbers called double?
Give an example of call be reference significance.
Is hashset ordered java?
define the terminology association.