Vector is a legacy class that represents a dynamic array. This class existed before Collection framework and is modified after the introduction of Collection framework to make a compatible to the Collection framework.
1.addElement(): It is used to add an element to a Vector.
2.removeElement():It is used to remove element from Vector.
3.capacity():It returns the capacity of a Vector.
4.ensureCapacity(): It is used to increase the capacity of a Vector.
5.elements(): It is used to obtain Enumeration for traversing the Vector elements.
Enumeration is legacy interface that is used by collection to facilitate traversing there objects in implementation independent manner.
1.hasMoreElements(): It is used to find out whether an element is collection or not.
2.nextElement(): It is used to obtain reference of next element of an collection.