a closer look at methods and classes

... the C language and are declared using the keyword struct. A struct is syntactically similar to a class, and both create a class type. In the C language, a struct can contain only data members, ... that you create. The principal advantage to overloading operators is that it allows you to seamlessly integrate new data types into your programming environment. When you overload an operator, ... the meaning of an operator for a particular class. For example, a class that defines a linked list might use the + operator to add an object to the list. A class that implements a stack might...

Ngày tải lên: 29/10/2013, 06:15

... both an integer and a character at the same time, because i and ch overlay each other. Instead, your program can treat the information in the union as an integer or as a character at any time. ... Thus, a union gives you two or more ways to view the same piece of data. You can declare a union variable by placing its name at the end of the union declaration, or by using a separate declaration ... and – – have both a prefix and a postfix form. For example, both ++x; and A Closer Look at Classes x++; are valid uses of the increment operator. As the comments in the preceding program...

Ngày tải lên: 27/01/2014, 02:20

... exciting and powerful features: operator overloading. In C++, operators can be overloaded relative to class types that you create. The principal advantage to overloading operators is that it allows ... more ways to view the same piece of data. You can declare a union variable by placing its name at the end of the union declaration, or by using a separate declaration statement. For example, ... and a character at the same time, because i and ch overlay each other. Instead, your program can treat the information in the union as an integer or as a character at any time. Thus, a union...

Ngày tải lên: 06/03/2014, 22:20

... way a function is generally used, or a reasonable alternate usage. When there is no single value that is normally associated with a parameter, then there is no reason to declare a default argument. ... should not cause an important data file to be erased! 1. Show how to declare a void function called count( ) that takes two int parameters called a and b, and give each a default value of 0. ... function-related feature to be discussed is the default argument. In C++, you can give a parameter a default value that is automatically used when no argument corresponding to that parameter is...

Ngày tải lên: 27/01/2014, 02:20

... defining parameters that take default values, you cannot specify a nondefaulting parameter. That is, a declaration like the following is also wrong and will not compile: int myfunc(float f, char ... strcat( ) and concatenate the entire contents of one string to the end of another. The other version will take a third argument that specifies the number of characters to concatenate. That is, ... type rather than the variable, feel free to do so. However, to avoid confusion, this book will continue to associate the * and the & with the variable name that each modifies, rather than...

Ngày tải lên: 06/03/2014, 22:20

... State and Territorial Air Pollution Program Administrators and the Association of Local Air Pollution Control Officials estimated that 125,000 cancer cases may be due to diesel particulate matter ... Houston. There are health- based standar ds (NAAQS), as well as abundant health ef fects information and extensive exposure data for the two criteria pol- lutants (ozone and par ticulate matter) included ... exposure are soil and groundwater. Inhalation studies in animals indicate that high concentrations of ethylene dibromide can lead to death, whereas lower concentrations can cause liver and kid- ney damage....

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Ngày tải lên: 07/02/2013, 09:32

... dupli- cative network and syndicated programming, stations would lose audience share and advertising dollars. And these dollars fund the local programming that makes local broadcasting so valuable. ... recog- nized that because cable systems and broadcasters compete for advertising revenue and programming, and because cable operators would have an interest in favoring affiliated programmers, the cable ... company based in Cedar Rapids, Iowa.— Decisionmark is a leader in providing software and data solutions to television and radio broadcasters and consumers. We have been at the forefront of accurately...

Ngày tải lên: 18/02/2014, 00:20

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Ngày tải lên: 20/06/2014, 18:20

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