Objective-C Programming

Objective-C is a general-purpose, object-oriented programming language that adds Smalltalk-style messaging to the C programming language. Created by thenewboston.

Average Course Length

15 hours

Skill Level

Beginner

Pick a lesson

1: Setting up Xcode

2: Explaining the Program

3: Variables

4: Interface

5: Implementation

6: Creating an Object

7: Creating Multiple Objects

8: Accessing Instance Variables

9: Data Types and Other Stuff

10: int and float Conversions

11: Type Casting and Assignment Operators

12: Intro to Looping

13: scanf and increment operators

14: Nested for Loops

15: while Loops

16: do Statements

17: if else

18: Useful if else Program

19: Nested if Statements

20: else if Statements

21: switch

22: Conditional Operator

23: Seperating Files

24: Running the New Program

25: Synthesized Accessor Methods

26: How young of a chick can I date?

27: But what if I'm a millionaire?

28: Inheritance

29: My Mom

30: Starting the Rectangle Class

31: Finishing the Rectangle Class

32: OMG, a Square Class?!

33: Making steve the Square

34: Creating a Point class

35: Enhancing the Rectangle class

36: Running the Brand New Point Program

37: Overriding Methods

38: New Instance Variables and Abstract Classes

39: Introduction to Polymorphism

40: Running a Polymorphic Program

41: Dynamic Binding and id

42: Error / Exception Handling

43: Directives for Controlling Scope

44: External / Global Variables

45: Static Variables

46: Enumerated Data Types

47: Enum Program

48: Categories

49: #define Statement

50: #import Statement

51: Introduction to Number Objects

52: Number Object Methods

53: String Objects

54: Substrings and Ranges

55: Mutable Strings

56: Finishing Mutable Strings

57: Introduction to Arrays

58: Mutable Arrays

59: Dictionary Objects

60: Working with Files

61: Copy and Rename Files

62: Working with File Attributes

63: Deleting and Printing Files

64: Working with Directories

65: Read and Write Files