Source of TestSayHi.java

Structures and functions

class Base
class Derived extends Base
public class TestSayHi

  1: //TestSayHi.java

  3: class Base
  4: {
  5:     Base()
  6:     {
  7:         SayHi();
  8:     }
  9:     void SayHi()
 10:     {
 11:         System.out.println("Hi!");
 12:     }
 13: }

 15: class Derived extends Base
 16: {
 17:     Derived()
 18:     {
 19:         SayHi();
 20:     }
 21:     void SayHi()
 22:     {
 23:         System.out.println("Hello!");
 24:     }
 25: }

 27: public class TestSayHi
 28: {
 29:     public static void main(String[] args)
 30:     {
 31:         new Derived();
 32:     }
 33: }