Replace an element at specified index of Java Vector Example

/*
  Replace an element at specified index of Java Vector Example
  This Java Example shows how to replace an element at specified index of java
  Vector object using set method.
*/
 
import java.util.Vector;
 
public class ReplaceElementAtSpecifiedIndexVectorExample {
 
  public static void main(String[] args) {
    //create a Vector object
    Vector v = new Vector();
 
    //Add elements to Vector
    v.add("1");
    v.add("2");
    v.add("3");
 
    /*
      To replace an element at the specified index of Vector use
      Object set(int index, Object obj) method.
      This method replaces the specified element at the specified index in the
      Vector and returns the element previously at the specified position.
    */
    v.set(1,"REPLACED ELEMENT");
 
    System.out.println("Vector contains...");
    //display elements of Vector
    for(int index=0; index < v.size(); index++)
      System.out.println(v.get(index));
 
  }
}
 
/*
Output would be
Vector contains...
1
REPLACED ELEMENT
3
*/