programming in objective c 4th edition developer library pdf

... language source file .cc, .cpp C+ + language source file .h Header file .m Objective- C source file .mm Objective- C+ + source file .pl Perl source file .o Object (compiled) file Objective- C source 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 ... entire C language before learning Objective- C is wrong. C is a procedural language containing many features that are not necessary for programming in Objective- C, especially at the novice level. In fact,...

Ngày tải lên: 18/02/2014, 12:20

... of programming in Objective- C rests on the extensive frameworks that are available. Chapter 2, Programming in Objective- C, ” begins by teaching you how to write your first program in Objective- C. Because ... 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 ... Object, Anyway? 27 Instances and Methods 28 An Objective- C Class for Working with Fractions 30 The @interface Section 33 Choosing Names 34 Class and Instance Methods 35 The @implementation Section...

Ngày tải lên: 29/04/2014, 15:25

Ngày tải lên: 12/08/2014, 23:22

Ngày tải lên: 12/08/2014, 23:22

Ngày tải lên: 12/08/2014, 23:22

Ngày tải lên: 12/08/2014, 23:22

Ngày tải lên: 12/08/2014, 23:22

Ngày tải lên: 12/08/2014, 23:22

Ngày tải lên: 12/08/2014, 23:22

Ngày tải lên: 12/08/2014, 23:22

Ngày tải lên: 12/08/2014, 23:22

... Vectors are defined in the library vector, which places them in the std namespace. Thus, a file that uses vectors would include the following lines: #include <vector> using namespace ... this approach of reallocating capacity in large chunks is more efficient than allocating numerous small chunks. You can completely ignore the capacity of a vector and that will have no effect on what ... "Enter account balance (include cents even if .00) $"; cin >> dollars; cin >> point >> digit1 >> digit2; accountDollars = dollars; accountCents = digitToInt(digit1)*10...

Ngày tải lên: 04/07/2014, 05:21

... dollars*100; int allCents2 = secondOperand.cents + secondOperand.dollars*100; int diffAllCents = allCents1 - allCents2; int absAllCents = abs(diffAllCents); int finalDollars = absAllCents/100; int ... simple overloading). Be sure to notice that the second declarations of f has two occurrences of const. You must include both occurrences of const. The ampersand signs & are of course also ... Overloading, Friends, and References Display 8.6 Overloading ++ (part 1 of 2) 1 #include <iostream> 2 #include <cstdlib> 3 using namespace std; 4 class IntPair 5 { 6 public: 7 IntPair(int...

Ngày tải lên: 04/07/2014, 05:21

... whitespace character. Whitespace characters are all the characters that are displayed as blank space on the screen, including the blank character, the tab character, and the newline character, ’\n’. ... "Enter a line of input:\n"; cin.get (c1 ); cin.get (c2 ); cin.get (c3 ); cin.get (c4 ); cout << c1 << c2 << c3 << c4 << "END OF OUTPUT"; If the dialogue begins ... the newline character ’\n’, you can use the ignore member function. For example, the following will skip over all input characters up to and including the newline character, ’\n’: cin.ignore(1000,...

Ngày tải lên: 04/07/2014, 05:21

... string aChar = s.substr(i,1); //A one-character string 69 int location = punct.find(aChar, 0); 70 //Find location of successive characters 71 //of src in punct. 72 if (location < 0 || location ... substring in punct is determined using the find member function. If this one-character string is not in the punct string, then the one-character string is concatenated to the noPunct string that ... aString. aString is an object of the class string. EE EE ll ll ee ee mm mm ee ee nn nn tt tt aa aa cc cc cc cc ee ee ss ss ss ss str[i] Returns read/write reference to character in str at index...

Ngày tải lên: 04/07/2014, 05:21

... main function, #include the minimum collection of files to provide access to the names from namespace A. In your main function call the functions f then g. Compile, link, and execute using ... namespace. Test your code. To provide access to names in namespaces, you may use local using declarations such as using std::cout; or use local using directives such as: using namespace std; inside ... To provide access to names in namespaces, you may use local using declarations such as: using std::cout; or use local using directives such as: using namespace std; inside a block, or qualify...

Ngày tải lên: 04/07/2014, 05:21

... fin; fin.open("stuff.txt"); copyChar(fin); copyChar(cin); 15. Define a function called copyLine that takes one argument that is an input stream. When called, copyLine reads one line of input from the input stream ... the screen, and the second will copy a line from the keyboard to the screen: ifstream fin; fin.open("stuff.txt"); copyLine(fin); copyLine(cin); 16. Define a function called sendLine ... from an input stream called fin (which is connected to an input file), the follow- ing will discard all the input left on the line currently being read from the input file: newLine(fin); If...

Ngày tải lên: 04/07/2014, 05:21

... An abstract class can only be used as a base class to derive other classes. You cannot create objects of an abstract class, since it is not a complete class definition. An abstract class is a partial class ... Employee::printCheck a pure virtual function, we have set things up so that the compiler will enforce the ban against invoking Employee::printCheck. Display 15.6 Interface for the Abstract Class ... //problem. 3 #include <string> 4 #include <iostream> 5 using std::string; 6 using std::cout; 7 using std::endl; 8 class Pet 9 { 10 public: 11 string name; 12 virtual void print( ) const; 13...

Ngày tải lên: 04/07/2014, 05:21