Exam 2 (ch 3)

Question 0

Methods may be defined in any order and placed anywhere in the file, in or outside of the class.
True or false

Answer 0

False.

Only inside the class

Question 1

Methods are the members of a class that perform an action, and through writing methods you describe the behavior of data. 
True or false.

Answer 1

True

Question 2

Consol applications require a Main( ) method, unlike Windows applications that do not require a Main( ) method.
True or false

Answer 2

False

Question 3

The definition of the method includes the entry inside the curly braces, which is sometimes called the body of the method.
True or false

Answer 3

True

Question 4

A semi colon is placed on the end of a method heading following the parameter list.
True or false

Answer 4

False

There is no semi colon after defining a method. But there is when calling a method

Question 5

One required entry for a method heading is the return type.

True or false

Answer 5

True

Question 6

In order to indicate a value is constant and cannot be changed, the keyword constant is added
True or false

Answer 6

False

The keyword is Const

Question 7

In order to call a static method from another class, the class name must be used with a method name 
True or false

Answer 7

True

Question 8

The following are examples of the access modifiers available in C#: public, personal, protected
True or false

Answer 8

False

Personal is not one, others are private, internal and protected internal

Question 9

The accessibility modifier identifies what type of value is returned when the method is complete.
True or false

Answer 9

False

This is describing the return value

Question 10

If a method does not return a value, the void keyword is placed inside the parentheses in the method heading
True or false

Answer 10

False

It’s placed right before the method name

Question 11

A standard convention used by programmers for naming classes is to use an action verb phrase
True or false

Answer 11

False

This is for naming methods

Question 12

A standard convention used by C# programmers is to use the Pascal case style for class, data member identifiers, and method identifiers.
True or false

Answer 12

False

Question 13

The entries found inside the parentheses of the method headings are called the access modifiers.
True or false

Answer 13

False

These are the parameters or arguments

Question 14

The body of a method can include statements that declare other methods
True or false

Answer 14

False

They can only call other methods in the body of a method

Question 15

The Console class is defined in the System namespace
True or false

Answer 15

True

Question 16

The name of the method, modifiers, return type and the types of its formal parameters make up the signature of the method
True or false

Answer 16

False

Question 17

The Write( ), WriteLine( ), Read( ), and ReadLine( ) methods are all overloaded 
True or false

Answer 17

False

Read( ) and ReadLine( ) are not overloaded

Question 18

The Read( ) method is different from the ReadLine( ) method in that the Read( ) returns an int and the ReadLine( ) returns a string argument 
True or false

Answer 18

True

Question 19

The Parse( ) method returns the number representation of its string argument
True or false

Answer 19

True

Question 20

Ceiling( ), Pow( ), and Floor( ) are all static members of the Console class 
True or false

Answer 20

False

They are of the Math class

Question 21

The return keyword may not be included with a non-value returning method (void method)
True or false

Answer 21

False

Question 22

One way to ensure that you have one entry and exit from a method is to include a single return statement as the last statement in the method.
True or false

Answer 22

True

Question 23

Both out and ref parameter types cause a method to refer to the same variable that was passed into the method
True or false

Answer 23

True

Question 24

A namespace is really nothing more than a group of statements placed together under a single name True or false

Answer 24

True

Question 25

``` Methods can be defined globally outside of a class in C# True or false ```

Answer 25

False

Question 26

The definition for a method just includes the heading. The signature includes the heading and the body of the method. True or false

Answer 26

False | The definition is inside the curly braces

Question 27

``` Methods that use the static modifier are called class methods. True or false ```

Answer 27

True

Question 28

C# offers both call by value and call by reference parameters. Call by value is the default type True or false

Answer 28

True

Question 29

_____ is an overloaded method of the Math class that returns the larger if he two specified numbers.

Answer 29

Max

Question 30

Calls to _____ methods must be placed at a location in your code where the value could be accepted when the method is finished.

Answer 30

Value returning

Question 31

_____ is used to indicate that no value is being returned from a method.

Answer 31

Void

Question 32

The term _____ is often used to indicate where an identifier has meaning and can be used.

Answer 32

Scope

Question 33

Call by _____ is the default parameter type.

Answer 33

Value

Question 34

When you assign a default value to a parameter, it hen becomes a(n) _____ parameter.

Answer 34

Optional

Question 35

When naming local variable identifiers and parameters, use _____.

Answer 35

Camel case

Question 36

Avoid writing long methods. Consider refactoring when the method exceeds _____ lines of code.

Answer 36

25

Question 37

All programs consist of at least one _____.

Answer 37

Main

Question 38

When naming a(n) _____, use the action verb phrase.

Answer 38

Method

Question 39

One option to holding the screen at the end of the program is to invoke Console.Read( ). Another option is to call _____. It obtains the next character or function key from the user.

Answer 39

ReadKey( )

Question 40

All Main( ) method headings must include the _____ modifier meaning that the method belongs to the type itself rather than to a specific object of a class.

Answer 40

Static

Question 41

_____ access offers the fewest access limitations; there are basically no restrictions on accessing _____ members or classes.

Answer 41

Public

Question 42

When a class or class member does not specify a modifier, the default accessibility level of _____ is assumed.

Answer 42

Private

Question 43

The _____ type is always listed immediately preceding the name of the method.

Answer 43

Return

Question 44

With overload methods, _____ must differ.

Answer 44

Signatures

Question 45

During the design phase, it is important to develop a(n) _____ illustrating what the desired final output should be.

Answer 45

Prototype

Question 46

Standard convention used for class:

Answer 46

Pascal case

Question 47

Standard convention used for method identifiers:

Answer 47

Pascal case

Question 48

Standard convention used for data member identifiers:

Answer 48

Camel case