What is the output of this program?import java.util.*; public class vector_Example { public static void main(String args[]) { Vector object = new Vector(6,3); object.addElement(new Integer(10)); object.addElement(new Integer(20)); object.addElement(new Integer(60)); object.insertElementAt(new Integer(80), 1); System.out.println(object); } }

• A. [10, 20, 60, 80]
• B. [10, 20, 60] 4
• C. [10, 20, 60]
• D. [20, 60, 80]
• E. [10, 80, 20, 60]