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Izaganag Izaganag
wrote...
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Posts: 686
Rep: 2 0
8 years ago
What is printed by the following code?  Consider the polymorphic invocation.
   public class Inherit
   {

      class Figure
      {
         void display( )
         {
            System.out.println("Figure");
         }
      }

      class Rectangle extends Figure
      {
         void display( )
         {
            System.out.println("Rectangle");
         }
      }

      class Box extends Figure
      {
         void display( )
         {
            System.out.println("Box");
         }
      }

      Inherit( )
      {
         Figure f = new Figure( );
         Rectangle r = new Rectangle( );
         Box b = new Box( );
         f.display( );
         f = r;
         f.display( );
         f = b;
         f.display( );
      }

      public static void main(String[ ] args)
      {
         new Inherit( );
      }
}
A) Figure
Figure
Figure
B) Figure
Rectangle
Box
C) Rectangle
Box
D) Syntax error.  This code won't compile or execute
E) none of the above
Textbook 
Java Software Solutions: Foundations of Program Design

Java Software Solutions: Foundations of Program Design


Edition: 7th
Authors:
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habibtihabibti
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#1
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Posts: 1486
Rep: 115 0
8 years ago
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Izaganag Author
wrote...
#2
8 years ago
That makes life a whole lot easier, thank you for answering.
wrote...
#3
8 years ago
Guys, you see that "vote as best answer" button below the answer, CLICK IT Slight Smile Slight Smile
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