import java.util.Vector;

/*
 *  Example of remove(Object o) method. 
 */
public class VectorExample
{
    public static void main( String[] args )
    {
        Vector<Integer> vector = new Vector<Integer>();

        vector.add(10);
        vector.add(20);
        vector.add(30);
        vector.add(40);

        System.out.println("vector  : " + vector + "\n");

        /*
         * Removes the first occurrence of the specified element in this Vector
         * If the Vector does not contain the element, it is unchanged.
         */

        Integer element = 30;
        boolean isRemoved = vector.remove(element);

        System.out.println("isRemoved  : " + isRemoved);
        System.out.println("vector  : " + vector + "\n");

    }
}