Learning to Program the Object-oriented Way with C# by Vinny Cahill BA, MSc, PhD, FTCD, Donal Lafferty BSc, PEng

By Vinny Cahill BA, MSc, PhD, FTCD, Donal Lafferty BSc, PEng (auth.)

C# is a brand new, object-oriented language that may be used to write down a variety of purposes for the recent Microsoft .NET platform - purposes that may be disbursed over the web. it's an amazing language for the hot programmer. studying to software the Object-Oriented manner with C# indicates you ways to programme with C#, utilizing an object-oriented technique. It explains approximately: * items and sessions * Variables, varieties and project * Abstraction and encapsulation * Characters and strings * Arrays * Inheritance * blunders dealing with * GUI improvement With plenty of examples and routines, the authors consultant you thru the method of studying to programme utilizing C#. additional info and assets can be found from the linked website: http://csharp.dsg.cs.tcd.ie " the object that i love the main approximately studying to software the Object-Oriented method with C# is that it does an outstanding task at explaining a subject matter within the summary, after which implements these techniques in C# pattern code. I heartily suggest this ebook if you happen to have an interest in studying object-oriented programming." Eric Gunnerson, software supervisor, visible C# staff, writer, "A Programmer's creation to C#"

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Then we can ask the object to calculate its area and then its perimeter. After that we should print out the area on the computer screen and, finally, print out the length of the perimeter. 26 lists the steps involved. Notice that once we create our rectangle object we will have to store it somewhere so that we can use it later. We saw previously that a method can declare its own local variables to store information that it uses while it is executing. The Main method is no exception. While we didn't use any local variables in any of the methods of class Rectangle, we will need to use a local variable in our Main method to store our rectangle object.

For example, to translate programs written in the Pascal programming language into machine language, a Pascal compiler is required. Likewise, to translate c++ programs into machine language, a c++ compiler is required. Typically, a different version of the compiler is required for each type of machine language into which programs are to be translated. Thus, different versions of the Pascal compiler would be required to translate Pascal programs into Pentium machine language and PowerPC machine language.

Moreover, the same variable will very often contain different values at different times. The variable that stores my current salary will contain different values as I get promoted and (hopefully) earn more. Thus, a 47 V. 1 Variables in C#. defining characteristic of a variable is that the value stored in it can be changed over time - it is variable! 1. The name of a variable allows that variable to be referred to by the program to which it belongs. The programmer, subject to certain rules that are described later, can choose the name of a variable.

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