// iNHERIT17_object // Every class in Java is a subclass of class $Object$. // We don't usually write $extends Object$ in the class header, but we could. public class inherit17_object extends Object { public static void main(String[] args) { new A(); new B(); } } class A extends Object { public A() { System.out.println("Hi from A!"); } } class B extends A { public B() { System.out.println("Hi from B!"); } } /* Output: Hi from A! Hi from A! Hi from B! */