Classes and objects I
Lecture 13

Table of Contents


Questions about the last class?


Is C object-oriented?

Quiz Discussion

Adding Objects to SimpleC

  • C++-style objects
    • Class type declaration
    • Separate implementation of methods


  • Bundle fields and methods
  • Encapsulates data (scoping and namespacing)
  • Hides implementation details
  • Define abstract data types

Hash table vs. Dictionary

Linked-list vs. Vector

Hand-wiring an appliance to the electrical grid vs. using an electrical outlet

Objects in C

Bundling fields together

How can we do this in C?

structs bundle fields

struct point {
  int x;
  int y;

Bundling fields and methods?

How can we do this in C?

We can store function pointers

struct point {
  int x;
  int y;
  int (* addX) (int);  // function pointer


Author: Paul Gazzillo

Created: 2023-04-13 Thu 14:59