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A

Exercise Solutions

There are no exercises in Chapters 1 and 2.

CHAPTER 3 SOLUTIONS

Exercise 1

``super.smashing.great``

Exercise 2

b), as it starts with a number, and e), as it contains a full stop.

Exercise 3

No, there is no theoretical limit to the size of a string that may be contained in a string variable.

Exercise 4

The * and / operators have the highest precedence here, followed by +, <<, and finally +=. The precedence in the exercise can be illustrated using parentheses as follows:

``resultVar += (((var1 * var2) + var3) << (var4 / var5));``

Exercise 5

``````static void Main(string[] args)
{
int firstNumber, secondNumber, thirdNumber, fourthNumber;
Console.WriteLine("Give me a number:");
Console.WriteLine("Give me another number:");
Console.WriteLine("Give me another number:");
Console.WriteLine("Give me another number:");
Console.WriteLine("The product of {0}, {1}, {2}, and {3} is {4}.",
firstNumber, secondNumber, thirdNumber, fourthNumber,
firstNumber * secondNumber * thirdNumber * fourthNumber);
}``````

Note that Convert.ToInt32() is used here, which isn’t covered in the chapter.

CHAPTER 4 SOLUTIONS

Exercise 1

``````(var1 > 10) ^ (var2 > 10)
[AU: wrong sign]``````

Exercise 2

``static void Main(string[] args) { bool numbersOK = false; double var1, var2; var1 = 0; var2 = 0; while (!numbersOK) ...``

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