Ch4-2 - EE 322C Data Structures Chapter 4:Inheritance (Part...

Info iconThis preview shows pages 1–5. Sign up to view the full content.

View Full Document Right Arrow Icon
Ramesh Yerraballi 4-1 EE 322C Data Structures Chapter 4:Inheritance (Part 2/2)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Ramesh Yerraballi 4-2 Design Hierarchies We will discuss the  hierarchy of shapes as an  polymorphism/ inheritance   example Circle Shape Rectangle Square
Background image of page 2
Ramesh Yerraballi 4-3 abstract  methods and classes No abstract: public class Shape { public double area() return -1; } With abstract: public abstract class Shape { public abstract double area(); } Abstract methods/classes  represent placeholders An abstract method declares  functionality that all derived  classes must eventually  implement. So, it says  what  an  object can leaving the derived  class to provide the  implementation  ( how  it is  done) A class with at least one  abstract method must be an  abstract class
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Ramesh Yerraballi 4-4 Multiple Inheritance Java does NOT support multiple  inheritance StudentEmployee inherits from both the  Student class and the Employee class.
Background image of page 4
Image of page 5
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 8

Ch4-2 - EE 322C Data Structures Chapter 4:Inheritance (Part...

This preview shows document pages 1 - 5. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online