Beginning C# 2008 Objects: From Concept to Code (Expert's - download pdf or read online

By Grant Palmer

It's not that i am but performed examining this e-book. So for now i must supply it three stars. however the cause i am posting it's because i actually was once stunned at p.13. On that web page they're telling you to initialize variables with "" and there's no point out of initializing them with string.empty that is simply most sensible practice!

Even Microsoft tells you here, so that you can be utilizing string.empty. i assume i don't know how three authors who declare to be specialists in C# can omit whatever to basic and it really is whatever strong quantity of builders recognize out there.

That's excited by now. i cannot touch upon the remaining yet i'll come again the following and provides a whole assessment. I simply desired to placed that in the market for now...kinda frightening to be examining a publication the place they cannot even inform you how you can set string defaults properly.

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Extra info for Beginning C# 2008 Objects: From Concept to Code (Expert's Voice in .NET)

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Just remember that the object concepts you’ll learn in Parts One and Two are equally applicable to other OOPLs unless otherwise noted. In this chapter, you’ll learn about the following: • The many strengths of the C# programming language • Predefined C# types, operators on those types, and expressions formed with those types • The anatomy of a simple C# program • The C# block structured nature • Various types of C# expressions • Loops and other control flow structures • Printing messages to the screen, primarily for use in testing code as it evolves • Elements of C# programming style If you’re a proficient C, C++, or Java programmer, you’ll find much of C# syntax to be very familiar and should be able to breeze through this chapter fairly quickly.

0) { // Pseudocode. do some stuff... 0)) { // Pseudocode. do some stuff... } Logical expressions are most commonly seen in flow of control structures, discussed later in this chapter. Implicit Type Conversions and Explicit Casting C# supports implicit type conversions. For example, we try to assign the value of some variable y to another variable x, as shown here: x = y; The two variables were originally declared to be of different types; then C# will attempt to perform the assignment, automatically converting the type of the value of y to the type of x, but only if precision won’t be lost in doing so.

Using the string concatenation operator (+) // to print "foobar". WriteLine(x); // Converts x's int value into a string and // prints the value "3" to the screen. WriteLine(x + y); // Computes the sum of x and y, then // prints the value "7" to the screen. Note in the last line of code that the plus sign (+) is interpreted as the integer addition operator, not as the string concatenation operator, because it separates two variables that are both declared to be of type int. So, the sum of 3 + 4 is computed to be 7, which is then printed.

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