/**
   @path JavaExample/Inherit/
   demo of constructors, destructors, inheritance, etc.
   this is the Java version of the C++ example inherit.cpp

   @author   Erich Kaltofen
   @version  Oct 11, 1998
 */

import java.io.*;

public class inherit {
  public static void main(String [] args)
  { // Java 1.1 character I/O (PrintStream is deprecated)
    PrintWriter out = new PrintWriter(System.out, true); // auto-flush
    out.println("0. base b = new base(5);");
    base b = new base(5);
    out.println(b.toString()); // tests toString in base class
    out.println();
    
    // 1. create a derive object
    out.println("1.  d1 = new derive(5,20);");
    derive d1 = new derive(5,20);
    d1.print(out); out.println(); out.println();
    
    // 2. create a derive object with default constructor
    out.println("2.  derive d2 = new derive();");
    derive d2 = new derive();
    d2.print(out); out.println(); out.println();
    
    // 3. assign a derive object to another
    out.println("3.  d2 = d1;");
    d2 = d1; // old d2 will be garbage collected
    d2.print(out); out.println(); out.println();
    
    // 4. create a derive object by copy
    out.println("4.  derive d3 = d2.clone();");
    derive d3 = (derive)d2.clone();
    d3.print(out); out.println(); out.println();

    out.println("The end");
  }
}