Learning C# 3.0

Test Your Knowledge: Quiz

Question 3-1. What defines a statement in C#?

Question 3-2. What values can a bool type have?

Question 3-3. What are the two kinds of types in C#, and what’s the difference between them?

Question 3-4. What is the difference between a float and a double?

Question 3-5. What’s the definition of a variable?

Question 3-6. What does definite assignment mean?

Question 3-7. Which of the following code statements will compile?

int myInt = 25;
long myLong = myInt;
int newInt = myLong;

Question 3-8. For each of the following pieces of data, which variable type would you use, and which should be represented with constants?

• Your age in years

• The speed of light in meters per second

• The number of widgets in your warehouse

• The amount of money in your bank account

• The text of the U.S. Declaration of Independence

Question 3-9. Given the following declaration, how would you refer to the constant for Green and what would its value be?

enum WavelengthsOfLight
{
  Red = 7000,
  Orange = 6200,
  Yellow = 5800,
  Green = 5300,
  Blue = 4700,
  Violet = 4200
}

Question 3-10. How do you indicate a string literal?