Untitled

/****************** Exercise 15 *****************
 * Create a class with a non-default constructor
 * (one with arguments) and no default constructor
 * (no "no-arg" constructor). Create a second class
 * with a method that returns a reference to
 * an object of the first class. Create the object
 * you return by making an anonymous inner
 * class inherit from the first class.
 ***********************************************/
class Ferret
{
//    private String color;         // this didn't work
    String color;
    Ferret( String color ) { this.color = color; };
    public String getColor() { return color; };
}

public class ex15
{
    public static Ferret newFerret( String color )
    {
        return new Ferret( color ) {};
    }
    public static Ferret greenFerret()
    {
        return new Ferret( "green" ) {
            // overriding method
            public String getColor() { return "weird: " + color; }
        };
    }
    public static void main( String[] args )
    {
        Ferret f1 = newFerret( "chartreuse" );
        System.out.println( f1.getColor() );
        Ferret f2 = greenFerret();
        System.out.println( f2.getColor() );
    }
}
/* OUTPUT:
chartreuse
weird: green

Compiler output when Ferret.color is private:

ex15.java:19: color has private access in Ferret
            public String getColor() { return "weird: " + color; }
                                                          ^
1 error

*/