Convert ArrayList to array

ReturnMethodSummary
Object[]toArray()Returns an array containing all of the elements in this list in proper sequence (from first to last element).
<T> T[] toArray(T[] a)Returns an array containing all of the elements in this list in proper sequence (from first to last element); the runtime type of the returned array is that of the specified array.

  import java.util.ArrayList;
import java.util.Arrays;

public class Main {
  public static void main(String args[]) {
    ArrayList<String> al = new ArrayList<String>();

    al.add("C");
    al.add("java2s.com");
    al.add("D");
    al.add("F");
    al.add(1, "java2s.com");

    String[] strings = al.toArray(new String[al.size()]);
    System.out.println(Arrays.toString(strings));
  }

}

The output:


[C, java2s.com, java2s.com, D, F]
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