java.util.Vector.toArray(T[] a) 方法示例

package com.codingdict;

import java.util.*;
import java.util.Arrays;

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);

      // create an array
      Integer[] anArray = new Integer[4];

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

      // fill the array from the vector
      vec.toArray(anArray);

      // check the content of the array
      System.out.println("Elements are: ");  

      for (int i = 0; i < anArray.length; i++) {
         System.out.println(anArray[i]);
      }
   }    
}