Data Modeling Design

Data Structures Using C++, 2nd Edition by D. S. Malik

By D. S. Malik

Now in its moment version of this ebook, D.S. Malik brings his confirmed method of C++ programming to the CS2 direction. in actual fact written with the scholar in brain, this article specializes in information buildings and comprises complex themes in C++ reminiscent of associated Lists and the normal Template Library (STL).
The textual content positive aspects considerable visible diagrams, examples, and prolonged Programming Examples, all of which serve to light up tricky techniques. entire programming code and transparent exhibit of syntax, clarification, and instance are used during the textual content, and every bankruptcy concludes with a powerful workout set.

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In this case, the default constructor executes and the instance variables of myClock are initialized to 0. If you declare an object and want the default constructor to be executed, the empty parentheses after the object name are not required in the object declaration statement. In fact, if you accidentally include the empty parentheses, the compiler generates a syntax error message. ); where each of argument1, argument2, and so on is either a variable or an expression. Note the following: • The number of arguments and their type should match the formal parameters (in the order given) of one of the constructors.

EqualTime(yourClock)) . . These statements are legal; that is, they are syntactically correct. setTime(5, 2, 30);, the member function setTime is executed. The values 5, 2, and 30 are passed as parameters to the function setTime, and the function uses these values to set the values of the three instance variables hr, min, and sec of myClock to 5, 2, and 30, respectively. Similarly, the second statement executes the member function printTime and outputs the contents of the three instance variables of myClock.

If you are familiar with how classes are implemented in C++, you can skip this section. Recall that in OOD, the first step is to identify the components called objects; an object combines data and the operations on that data in a single unit, called encapsulation. In C++, the mechanism that allows you to combine data and the operations on that data in a single unit is called a class. A class is a collection of a fixed number of components. The components of a class are called the members of the class.

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