Deck 6: Modularizing Your Code With Methods

Question 1

The ____________, which appears at the beginning of a method definition, lists several important things about the method, including the method's name.

A) method description
B) method body
C) method specification
D) method header

Answer 1

D

Question 2

When you call a ____________, it simply executes the statements it contains and then terminates.

A) void method
B) terminal method
C) value-returning method
D) private method

Answer 2

A

Question 3

A parameter variable, often simply called a(n)____________, is a special variable that receives an argument when a method is called.

A) parameter
B) argument
C) reference
D) variable

Answer 3

A

Question 4

When a method contains multiple parameter declarations, the declarations are often referred to as a(n) ____________.

A) variable cache
B) alternative collection
C) parameter list
D) overloaded reference

Question 5

It is a standard convention among C# programmers to use ____________ for method names because it differentiates method names from variable and field names.

A) camelCase
B) lowercase characters
C) Pascal case
D) uppercase characters

Question 6

Which one of the following statements correctly calls a method named ShowName?

A) private void ShowName()
B) ShowName();
C) Call.ShowName();
D) ShowName;

Question 7

In general terms, a program that is broken into smaller units of code, such as methods, is known as a____________.

A) tiered project solution
B) method-based solution
C) modularized program
D) divisional program

Question 8

Dividing a large problem into several smaller problems that are easily solved is sometimes called ____________.

A) programmatic simplification
B) divide and conquer
C) top down design
D) parallel design

Question 9

When you want a method to be able to change the value of a variable that is passed to it as an argument, the variable must be ____________.

A) passed by value
B) a literal value
C) a parameter list
D) passed by reference

Question 10

When an argument is ____________, only a copy of the argument's value is passed into the parameter variable.

A) passed by reference
B) passed by value
C) named
D) uninitialized

Question 11

When a ____________ is provided for a parameter, it becomes possible to call the method without explicitly passing an argument into the parameter.

A) named argument
B) Boolean value
C) default argument
D) bitwise operator

Question 12

The ____________ is a collection of statements that are performed when the method is executed.

A) method body
B) executable code
C) method header
D) method code listing

Question 13

The memory address that is saved by the system when a method is called and is the location to which the system should return after a method ends is known as the ____________.

A) method address
B) virtual break
C) return point
D) jump position

Question 14

The benefit of using methods is known as ____________ because you are writing code to perform a task once and then reusing it each time you need to perform the task.

A) nominal assignment
B) minimal tasking
C) logic recycling
D) code reuse

Question 15

A parameter variable's scope is the ____________ in which the parameter variable is declared.

A) namespace
B) class
C) field
D) method

Question 16

A method that contains a(n) ____________ allows you to specify which parameter variable the argument should be passed to.

A) named argument
B) dynamic parameter
C) named constant
D) alternative argument

Question 17

When you call a ____________, it executes the statements that it contains and then it returns a value back to the statement that called it.

A) recursive method
B) void method
C) value-returning method
D) public method

Question 18

Pieces of data that are sent into a method are known as ____________.

A) references
B) variables
C) arguments
D) parameters

Question 19

Programmers commonly use a technique known as ____________ to break down an algorithm into methods.

A) flowcharting
B) top-down design
C) modular prototyping
D) subtask recognition

Question 20

When you pass an argument to a method, the argument's data type must be ____________ with the receiving parameter's data type.

A) assignment compatible
B) user friendly
C) data bound
D) memory mapped

Question 21

When working with value-returning methods, the data type of the value that the method returns is commonly called the method's ____________.

A) method value
B) named type
C) assigned value
D) return type

Question 22

The method header is always terminated with a semicolon.

Question 23

When the keyword void appears in the method header, it means that the method will return a value.

Question 24

When a ____________ finishes, it returns a value to the statement that called it.

A) public method
B) value-returning method
C) void method
D) private method

Question 25

In a general sense, a class is a collection of statements that performs a specific task.

Question 26

In C#, you declare a reference parameter by writing the ____________ keyword before the parameter variable's data type.

A) const
B) ref
C) out
D) private

Question 27

A(n) ____________ works like a reference parameter, but the argument does not have to be set to a value before it is passed into the parameter.

A) parameter list
B) named argument
C) output parameter
D) named constant

Question 28

When a method is declared with the private access modifier, it can be called only by code inside the same class as the method.

Question 29

In C#, you declare an output parameter by writing the ____________ keyword before the parameter variable's data type.

A) public
B) ref
C) const
D) out

Question 30

____________ are useful for establishing two-way communication between methods.

A) Reference parameters
B) Named arguments
C) Default arguments
D) Parameter lists

Question 31

A method definition has two parts: a header and a body.

Question 32

A value-returning statement must have a(n) ____________ statement.

A) return
B) assignment
C) logical
D) void

Question 33

Modularization tends to simplify code.

Question 34

You can use a(n) ____________ to test a condition, and then return either to indicate whether the condition exists..

A) reference parameter
B) Boolean method
C) if-else statement
D) void method

Question 35

In the header, the method name is always followed by a set of parentheses.

Question 36

Which of the following data types can be returned from a method?

A) int
B) bool
C) string
D) any of these

Question 37

Which of the following is the best choice for modularizing input validation?

A) Boolean methods
B) nested if statements
C) void methods
D) none of these

Question 38

The statements that make up the method body are enclosed inside a set of curly braces.

Question 39

To create a method you write its specification parameters.

Question 40

In general, the same rules that apply to variable names also apply to method names.

Question 41

Nested if statements can be useful for modularizing input validation.

Question 42

A parameter variable can be accessed by any statement outside the method in which the parameter variable is declared.

Question 43

When you call a method that has an output parameter, you must also write the keyword out before the argument.

Question 44

Methods usually belong to a class, so you must write a method's definition inside the class to which it is supposed to belong.

Question 45

You have to write the data type for each parameter variable that is declared in a parameter list.

Question 46

When you call a method that has a reference parameter, you must also write the keyword ref before the argument.

Question 47

The value that is returned from a method can be used like any other value.

Question 48

The top-down design process is sometimes called stepwise refinement.

Question 49

When a method is called, the program branches to that method and executes the statements in its body.

Question 50

Default arguments must be literals or constants.

Question 51

A method that has an output parameter must set the output parameter to some value before it finishes executing.

Question 52

You can pass only string arguments into string parameters.

Question 53

Passing an argument by reference guarantees that the argument will not be changed by the method it is passed into.

Question 54

The contents of variables and the values of expressions can be passed as arguments to a method.

Question 55

You can pass int arguments into int parameters, but you cannot pass double or decimal arguments into int parameters.

Question 56

When calling a method and passing a variable as an argument, always write the data type and the variable name of the argument variable in the method call.

Question 57

Default arguments were introduced in Visual C# 2010, so you cannot use them in older versions of C#.

Question 58

void methods are useful for simplifying complex conditions that are tested in decision and repetition structures.

Question 59

When you pass an argument to a ref parameter, that argument must already be set to some value.

Question 60

If you are writing a method and you want it to receive arguments when it is called, you must equip the method with one or more access modifiers.

Question 61

You can write methods that return any type of data.