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vector

vector
subject			fact

vector	can be used to implement a queue or push-down stack
	can have new elements added to the front, back or middle without replacing existing elements
	can only store reference types, not primitive types
	can return the number of elements it contains using the size() method as in: vectorName.size()
	does not have a fixed size like an array
	has //Declare a vector and create an instance Vector v = new Vector();
	is an instance of Vector class
	is a subtopic of Collections
	is a kind of kbTop
	see also Vector class