Click here to watch in Youtube :https://www.youtube.com/watch?v=pMXA6lYVfQk&list=UUhwKlOVR041tngjerWxVccwVectorExample.java import java.util.Vector;
/*
* Example of setSize(int newSize) method.
*/
public class VectorExample
{
public static void main( String[] args )
{
Vector<Integer> vector = new Vector<Integer>();
vector.add(20);
vector.add(30);
vector.add(40);
vector.add(50);
System.out.println("vector : " + vector );
System.out.println("vector size : " + vector.size() + "\n");
/*
* Sets the size of this vector. If the new size is greater than the
* current size, new null items are added to the end of the vector. If
* the new size is less than the current size, all components at index
* newSize and greater are discarded.
*/
vector.setSize(10);
System.out.println("vector : " + vector + "\n");
vector.setSize(2);
System.out.println("vector : " + vector + "\n");
}
}
Output vector : [20, 30, 40, 50]
vector size : 4
vector : [20, 30, 40, 50, null, null, null, null, null, null]
vector : [20, 30]