1.void addElement(Object element): It inserts the element at the end of the Vector.
2.int capacity(): This method returns the current capacity of the vector.
3.int size(): It returns the current size of the vector.
4.void setSize(int size): It changes the existing size with the specified size.
5.boolean contains(Object element): This method checks whether the specified element is present in the Vector. If the element is been found it returns true else false.
6.boolean containsAll(Collection c): It returns true if all the elements of collection c are present in the Vector.
7.Object elementAt(int index): It returns the element present at the specified location in Vector.
8.Object firstElement(): It is used for getting the first element of the vector.
9.Object lastElement(): Returns the last element of the array.
10.Object get(int index): Returns the element at the specified index.
11.boolean isEmpty(): This method returns true if Vector doesn't have any element.
12.boolean removeElement(Object element): Removes the specifed element from vector.
13.boolean removeAll(Collection c): It Removes all those elements from vector which are present in the Collection c.
14.void setElementAt(Object element, int index): It updates the element of specifed index with the given element.