List.toArray(T[] a) has the following syntax.
<T> T[] toArray(T[] a)
In the following code shows how to use List.toArray(T[] a) method.
/* w w w. ja v a 2 s . com*/ import java.util.Arrays; import java.util.List; public class Main { public static void main(String args[]) { String[] a = new String[] { "a", "c", "b" }; List l = (Arrays.asList()); String stuff[] = (String[]) l.toArray(new String[0]); } }