Java tutorial
import java.util.Iterator; import java.util.Vector; public class Main { public static void main(String[] arguments) { String[] codes = { "alpha", "lambda", "gamma", "delta", "zeta" }; Vector list = new Vector(); for (int i = 0; i < codes.length; i++) { if (!list.contains(codes[i])) { list.add(codes[i]); } } for (Iterator ite = list.iterator(); ite.hasNext();) { String output = (String) ite.next(); System.out.println(output); } } }