java.util.Vector.clone() 方法

package com.codingdict;

import java.util.Vector;

public class VectorDemo {
   public static void main(String[] args) {

      // create an empty Vector vec with an initial capacity of 4      
      Vector<Integer> vec = new Vector<Integer>(4);
      Vector<Integer> vecclone = new Vector<Integer>(4);

      // use add() method to add elements in the vector
      vec.add(4);
      vec.add(3);
      vec.add(2);
      vec.add(1);

      // let us print all the elements available in vec
      System.out.println("Added numbers in vec vector are :- ");

      for (Integer number : vec) {         
         System.out.println("Number = " + number);
      }

      // let us clone the vector vec
      vecclone = (Vector)vec.clone();

      // let us print all the elements available in vecclone
      System.out.println("Added numbers in vecclone vector are :-");       

      for (Integer number : vecclone) {         
         System.out.println("Number = " + number);
      }
   }    
}