public class BaseClass {
 private final String message1 = "message1";
 private static final String message2 = "message2";
 public String getMessage() {
 return message1;
 }
 public static String getStaticMessage() {
 return message2;
 }
}
public class ExtendedClass extends BaseClass {
 private final String message3 = "message3";
 private static final String message4 = "message4";

 @Override
 public String getMessage() {
 return message3;
 }
 public static String getStaticMessage() {
 return message4;
 }
 public static void main(String[] args) {
 ExtendedClass ec = new ExtendedClass();
 System.out.println(ec.getMessage());
 System.out.println(ec.getStaticMessage());
 BaseClass bc = ec;
 System.out.println(bc.getMessage());
 System.out.println(bc.getStaticMessage());
 }
}