import java.util.ArrayList; import java.util.Arrays; import java.util.List; public class Main { public static void main(String args[]) { String a[] = { "a", "b", "c" }; String b[] = { "d", "e" }; List<String> list = new ArrayList<String>(Arrays.asList(a)); list.addAll(Arrays.asList(b)); Object[] c = list.toArray(); System.out.println(Arrays.toString(c)); } }