programming in ansi c by e balaguruswamy 5th edition

... 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 ... ptg999 30 Chapter 3 Classes, Objects, and Methods [myWindow erase]; Clear the window theArea = [myRect area]; Calculate the area of the rectangle [userText spellCheck]; Spell-check some text [deskCalculator ... name implies: go to a new line.Any characters to be printed after the newline character then appear on the next line of the display. In fact, the newline character is very similar in concept...

Ngày tải lên: 18/02/2014, 12:20

... and Methods [myWindow erase]; Clear the window theArea = [myRect area]; Calculate the area of the rectangle [userText spellCheck]; Spell-check some text [deskCalculator clearEntry]; Clear the last ... the newline character.A newline character tells the system to do precisely what its name implies: go to a new line.Any characters to be printed after the newline character then appear on the next ... the beginning of the comment.These types of comments have to be terminated.To end the comment, you use the characters * and /, again without any embedded spaces.All charac- ters included between...

Ngày tải lên: 29/04/2014, 15:25

... data type. Returning characters in integer format allows the end-of-file (EOF) Sentinel previously described in Section 5.2 to be returned. The EOF sentinel has an inte- ger code. If this sentinel is ... be correctly recognized as input, get char ( ) must return integer values. The get char ( ) routine is used to return the next single character entered at the terminal. For example, a statement ... second and third elements are compared. Again, if the second element is larger than the third, these two elements are interchanged. This pro- cess continues until the last two elements have been...

Ngày tải lên: 12/08/2014, 09:22

... structures. Any changes made to the local temp structure in calc_net ( ) are not reflected in the emp structure of main ( ). In fact, since both structures are local to their respective functions, ... feature. 491 486 Chapter Twelve Structures of date. Individual members in the person structure are accessed by preceding the desired member with the structure name followed by a period. For example, person. ... to initially access "the structure whose address is in pt." This is followed by a refer- ence to access the desired member within the structure. In the absence of the parentheses, the...

Ngày tải lên: 12/08/2014, 09:22

... since there is a one-to-one correspondence between integers and user- defined data types, the cast operator can either coerce integers into a user-speci- fied data value or coerce a user-specified ... uppercase names in #define statements. In fact, the equiva- lence produced by a typedef statement can frequently be produced equally well by a #define statement. The difference between the two, ... encountered by the preprocessor, the symbolic name CONVERTis replaced by the equivalent text 2.0 * 3.1416. The compiler always receives the expanded version after the text has been inserted in...

Ngày tải lên: 12/08/2014, 09:22

... contains the code for each method specified in the @interface section. Similar to the @interface section, each method’s definition starts by identifying the type of method (class or instance), its ... each section yourself.As you’ll see, each section is typically put in its own file. For now, however, we keep it all together in a single file. The @interface Section When you define a new class, ... Methods A unique occurrence of a class is an instance, and the actions that are performed on the in- stance are called methods. In some cases, a method can be applied to an instance of the class or...

Ngày tải lên: 12/08/2014, 23:22

... cal- culator can hold only so many digits, thus the inherent inaccuracy of the machine.The same type of inaccuracy applies here: Certain floating-point values cannot be exactly rep- resented inside the computer’s ... Develop methods to set the rectangle’s width and height, retrieve these values, and calculate the rectangle’s area and perimeter.Assume that these rectangle objects describe rectangles on an integral ... integral grid, such as a computer screen. In that case, assume that the width and height of the rectangle are integer values. Here is the @interface section for the Rectangle class: @interface...

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

... not in the reference type. c) variables of the reference types directly contain their data, whereas variables of the value types store references to objects. b) data in the value type ... variable is easily accessible. d) Variables of the value types directly contain their data, whereas variables of the reference types store references to objects. 54. What would be the output ... methods can act as a constructor for the class “Employee” that is used to create an object? [1.0] a) void employee(int enmpno){} c) employee(int empno){} b) Employee (){} d) Employee(int...

Ngày tải lên: 21/08/2012, 15:55

... Which of the following statements correctly differentiates between delegate and an interface? [2.0] a) Delegates can be used without the object reference but interface cannot be. c) Unlike ... emps[1]=Employee.getEmpId(2); 14. foreach(Employee e in emps) 15. System.Console.WriteLine (e. EmployeeId); 16. } } a) The code will generate a null exception, as the employees are not initialized. ... a correct event that is based on the delegate named “ MyDelegate” [1.0] a) public event MyDelegate MyEvent(); c) private event MyDelegate MyEvent(); b) public event MyDelegate MyEvent;...

Ngày tải lên: 29/08/2012, 16:37