Java Collection How to - Copy value from one list to another list








Question

We would like to know how to copy value from one list to another list.

Answer

/* w w w  .  ja va  2s  .  c om*/
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.ListIterator;

public class Main {
  public static void main(String[] args) {
    String[] coins = { "A", "B", "C", "D", "E" };

    List src = new LinkedList();
    for (int i = 0; i < coins.length; i++)
      src.add(coins[i]);

    List dst = new ArrayList();
    for (int i = 0; i < coins.length; i++)
      dst.add("");

    Collections.copy(dst, src);

    ListIterator liter = dst.listIterator();

    while (liter.hasNext())
      System.out.println(liter.next());
  }
}

The code above generates the following result.