1. Objective-C 2.0
GUI
iPhone
12-B-1

2. (C)2009 T. Ogihara

3. ✦
✦
✦
(C)2009 T. Ogihara

4. NeXTstep
Objective-C

(C)2009 T. Ogihara

5. NeXTstep
(C)2009 T. Ogihara

6. NeXTstep
(C)2009 T. Ogihara

7. Objective-C
C
Smalltalk
ANSI C

C++
C
(C)2009 T. Ogihara

8. Objective-C
 1983 Brad Cox Stepstone
 NeXT (1988 )
 1996 Apple NeXT
 Mac OS X 2000
 Objective-C 2.0 2007
 iPhone 2007
(C)2009 T. Ogihara

9. C++ C
C C++ C++

C
C
C
(C)2009 T. Ogihara

10. Objective-C C
C Objective-C


C
Objective-C
(C)2009 T. Ogihara

11. OO (1)


Mixin

 Java Objective-
C

(C)2009 T. Ogihara

12. OO (2)
 C++
::


 C#

(C)2009 T. Ogihara

13. OO (3)

(int )

(C)2009 T. Ogihara

14. Objective-C 2.0
 Apple



1.0


(C)2009 T. Ogihara

15. (1)
id obj; /* */
[ obj msg ]
(C)2009 T. Ogihara

16. (2)
[ obj msg:100 ]
[ obj msg:100 param: N+1 ]
r = [ obj msg:15 ];
(C)2009 T. Ogihara

17. @interface :
{
;
...
}
;
...
@end
(C)2009 T. Ogihara

18. @implementation
- (id)initWithName:(NSString *)str
{
C
...
}
...
@end
C
(C)2009 T. Ogihara

19. 
 virtual, final C++,
Java, C#

(C)2009 T. Ogihara

20.  Mac OS X
 Mac OS X 10.5 (Leopard)
 OS X iPhone
(C)2009 T. Ogihara

21. 

@selector( )

(C)2009 T. Ogihara

22. [obj show];
[obj performSelector:@selector(show)];
SEL s = @selector(show);
[obj performSelector: s];
(C)2009 T. Ogihara

23. -
 Cocoa

 GUI Cocoa
(C)2009 T. Ogihara

24. -



show:
(C)2009 T. Ogihara

25.  Objective-C

NSObject
(C)2009 T. Ogihara

26. Carbon
Cocoa
JDK
BSD
Quick
Time
Mac OS X OS X iPhone
(C)2009 T. Ogihara

27. 
GUI


(C)2009 T. Ogihara

28. (C)2009 T. Ogihara

29. (C)2009 T. Ogihara

30. iPhone
-

 Foundation
 AppKit → UIKit
API Core

Foundation
C

(C)2009 T. Ogihara