Java tutorial
import java.util.HashSet; import java.util.ListResourceBundle; import java.util.Set; class MyResources extends ListResourceBundle { public MyResources() { super(); } protected Object[][] getContents() { return new Object[][] { { "hello", "from java2s.com" }, { "client", "HTML" }, { "server", "PHP" } }; } protected Set<String> handleKeySet() { return new HashSet<String>(); } } public class Main { public static void main(String[] args) { MyResources mr = new MyResources(); System.out.println(mr.getString("hello")); } }