gistfile1.java

public class TestClass {

 public TestClass() {

 print();

 public void print() {

 System.out.println(this.getClass() + ": a:" + this.a + ", b:" + this.b);

 public static void main(String[] args) {

 TestClass test1 = new TestClass();

 TestClass test2 = new TestClass2();

 TestClass test3 = new TestClass3();

class TestClass2 extends TestClass {

 public TestClass2() {

 super();

 print();

class TestClass3 extends TestClass2 {

 public TestClass3() {

 print();