... language source file
.cc, .cpp C+ + language source file
.h Header file
.m Objective- Csource file
.mm Objective- C+ + source file
.pl Perl source file
.o Object (compiled) file
Objective- Csource files ... 429
Using NSData to Create Custom Archives 436
Using the Archiver to Copy Objects 439
Exercises 441
20 Introduction to Cocoa and Cocoa Touch 443
Framework Layers 443
Cocoa Touch 444
21 Writing ... download Xcode and the iOS SDK for no charge.
8
Chapter 2 Programmingin Objective- C
Using Xcode
Xcode is a sophisticated application that enables you to easily type in, compile, debug, and
execute...
... of programmingin Objective- C
rests on the extensive frameworks that are available.
Chapter 2, Programmingin Objective- C, ” begins by teaching you how to write your
first program in Objective- C.
Because ... that objects from the
class will store) and contains the actual code that implements the methods declared in the
interface section. Finally, the program section contains the program code to carry ... be
printed at the points indicated by the next two occurrences of the %i characters in the
format string.
Summary
After reading this introductory chapter on developing programs in Objective- C, you
should...
... hardly a line of your own code (Chapter 21).
ã XAML debugging: You can now troubleshoot data binding errors by placing a
breakpoint in your data binding expression (Chapter 20).
ã Child windows: ... and create socket-based connections.
ã System.Windows.dll: This assembly includes many of the classes for building
Silverlight user interfaces, including basic elements, shapes and brushes, classes ... and MediaPlayer
controls in new projects, you can download the sourcecode for them from
http:/ /code. msdn.microsoft.com/aspnetprojects.
Mixing ASP.NET Controls and Silverlight Content
Almost...
... in C# . However, the type has a few
non–CLS-compliant constructs causing the C# compiler to complain about the code.
using System;
// Tell compiler to check for CLS compliance
[assembly: CLSCompliant(true)] ... environment,
compiling the code is accomplished in two phases. First, the compiler passes over the source code,
doing as much work as possible in producing IL. But to execute the code, the IL ... their sourcecode can be downloaded from http://CLRInterop.CodePlex.com/.
With Windows 8, Microsoft has introduced a new Windows API called the Windows Runtime
(WinRT). This API is implemented internally...
... an SAP proj-
ect. And by covering SAP technology from several different perspectives including cut-
ting edge insight related to SAP and cloud computing, more experienced technical read-
ers ... in the first place. Successfully develop-
ing and executing against this kind of deployment mindset brings up another dimension
of business architecture and the SAP business roadmap in particular: ... helps
.
Increase business operations efficiency by streamlining business processes,
maximizing asset productivity, minimizing unproductive time, and so on (via
SAP Enterprise Resource Planning)
.
Reduce...
... Sorting pattern.
#include <algorithm>
using std::swap;
template <class T>
int indexOfSmallest(const T a[], int startIndex,
int sentinelIndex)
{
int min = a[startIndex],
indexOfMin ... member functions split and join.
Fully test all classes.
3. A vending machine accepts coins whose values sum to the price of a product or whose sum
exceeds the purchase price by one coin of any ... {
min = a[index];
indexOfMin = index;
//min is the smallest of a[startIndex]
//through a[index]
}
return indexOfMin;
}
template <class T>
int split(T a[], int begin, int end)
{
int...
... not C programs.) Unlike C, C+ +
has facilities for classes and so can be used for object-oriented programming.
■
C+ + AND OBJECT-ORIENTED PROGRAMMING
Object-oriented programming (OOP) is a currently ... 2:21 PM
1
C+ + Basics
1.1 INTRODUCTION TO C+ + 2
Origins of the C+ + Language 2
C+ + and Object-Oriented Programming 3
The Character of C+ + 3
C+ + Terminology 4
A Sample C+ + Program 4
1.2 VARIABLES, ... program-
ming technique. The main characteristics of OOP are encapsulation, inheritance, and
polymorphism. Encapsulation is a form of information hiding or abstraction. Inherit-
ance has to do...
... way of writing decimal fractions. When written in this form
a
double constant must contain a decimal point. No number constant (either integer
or floating-point) in C+ + may contain a comma.
ass
i
gn
i
ng
int ... following the
backslash
does not have the same meaning as the character appearing by itself. Such a
sequence is called an escape sequence. The sequence is typed in as two characters with
no space ... meaning as the number it
names. To change a named constant, you need only change the initializing value in the
const variable declaration. The meaning of all occurrences of BRANCH_COUNT, for
instance,...
... file containing your code:
#include <iostream>
using namespace std;
■
OUTPUT USING cout
The values of variables as well as strings of text may be output to the screen using cout.
Any combination ... the screen. Notice that the
\n goes inside the quotes. In C+ +, going to the next line is considered to be a special
character, and the way you spell this special character inside a quoted string ... you can always assign a value of an integer type to a variable of a
floating-point type, as in
double d = 5;
In such cases C+ + performs an automatic type cast, converting the 5 to 5.0 and placing
5.0...
... read in integers, floating-point numbers, or characters using
cin. Later in
this book we will discuss the reading in of other kinds of data using
cin.
cin
S
TATEMENTS
A cin statement sets variables ... Exercises 39
■ The object cerr is used for error messages. In a typical environment, cerr behaves
the same as
cout.
■ The object cin is used for console input.
■ In order to use cin, cout, or cerr, ... spacing in include directives. Thus,
it is safest to type an
include directive with no extra space: no space before the #, no
space after the
#, and no spaces inside the <>.
An include...
...
the Cat.
Lewis Carroll,
Alice in Wonderland
INTRODUCTION
As in most programming languages, C+ + handles flow of control with branch-
ing and looping statements. C+ + branching and looping ... compiler groups items
according to rules known as precedence rules. Most of the precedence rules for C+ +
are given in Display 2.3. The table includes a number of operators that are not dis-
cussed ... Programming Projects 41
PROGRAMMING PROJECTS
1. A metric ton is 35,273.92 ounces. Write a program that will read the weight of a package of
breakfast cereal in ounces and output the weight in...