Chapter 9

Question 1

a program module that contains a series of statements that carry out a task.

Answer 1

Method

Question 2

contains the method’s implementation

Answer 2

method body

Question 3

This contains identifying information about the method

Answer 3

Method header

Question 4

Global is the opposite of

Answer 4

local scope / in scope

Question 5

True or False: When a variable is declared locally within a method, its value cannot be used by other methods.

Answer 5

True

Question 6

The calling program or method is the method’s…

Answer 6

client

Question 7

The statements that carry out a task.

Answer 7

Implementation

Question 8

A called method accepts the values it receives from the calling method; these accepted values are the called’s methods _________.

Answer 8

parameters

Question 9

When a program passes a data item to a method, the data item is an __________ to the method

Answer 9

argument (to the method).

Question 10

When writing the declaration for a method that can receive a parameter, you must provide a ________ ____.

Answer 10

parameter list

Question 11

What are the two items that make up a parameter list?

Answer 11

1. Parameter type

2. Local name for the parameter

Question 12

The two elements of the parameter list, combined, make up the _______ _________.

Answer 12

method’s signature

Question 13

A variable passed into a method is _______ ___ ______, which means that A COPY of its value is sent to the receiving method and stored in a new memory location accessible to that method.

Answer 13

passed by value

Question 14

Because of the passed by value functionality, any value that aligns with the preordained _________ ____ can be passed to a method, even if this value is variable, a named constant, or an arithmetic expression, etc.

Answer 14

parameter type

Question 15

True or False: When the method ends at the return statement, the locally declared parameter variables cease to exist.

Answer 15

True

Question 16

The starting value of the main program occupies a different _______ _______ from the variable in the local program/module/method.

Answer 16

memory address

Question 17

This gives back control to the calling method after a modular method executes.

Answer 17

method return statement

Question 18

The arguments sent to a method in a method call

Answer 18

Actual parameters

Question 19

The variables in the (receiving) method’s declaration

Answer 19

Formal parameters

Question 20

When a method returns a value, the method must have a ______ ____ that matches the data type of the returned value.

Answer 20

return type

Question 21

What is it called when a method returns nothing at all?

Answer 21

void method

Question 22

This is listed in front of the method name when the method is defined.

Answer 22

Method’s (return) type

Question 23

True or False: A method’s return type is a part of the method’s signature.

Answer 23

False

Question 24

The method’s signature consists of….

Answer 24

the method name and its parameter list

Question 25

A method’s return statement can return how many values, at most?

Answer 25

ONE. This is why Objects come in handy.

Question 26

What are the two ways of retaining a method’s return value?

Answer 26

1. Storing it in a variable in scope to the mainline logic/calling method
2. Placing it in an output statement

Question 27

True or False: You can use a method as a variable in an arithmetic function, so that its value is retrieved and calculated at the same time.

Answer 27

True

Question 28

If a program needs to use a method’s return value in more than one place, storing the returned value in a variable decreases _______.

Answer 28

overhead

Question 29

A tool that identifies and categorizes each item needed within the method as pertaining to the input, processing or output

Answer 29

IPO chart

Question 30

True or False: A method’s return type must match at least one of the method’s parameters.

Answer 30

False

Question 31

This describes how arrays are used in a method

Answer 31

Passed by reference

Question 32

True or False: When an array is passed by reference, the method receives the actual memory address of the array and has access to the actual values in the array elements.

Answer 32

True

Question 33

True or False: When you pass an array to a method, changes you make to the array elements within the method are reflected in the original array that was sent to the method; in other words, the data residing in the original memory address is overwritten.

Answer 33

True

Question 34

True or False: You indicate that method parameter must be an array by placing parentheses after the data type in the method’s parameter list.

Answer 34

False, you place SQUARE BRACKETS, not parentheses.

Question 35

Supplying diverse meanings for a single identifier

Answer 35

Overloading (the method)

Question 36

Any extra time and resources required by an operation

Answer 36

Overhead

Question 37

Overloading a method is an example of __________.

Answer 37

polymorphism

Question 38

A situation in which the compiler cannot determine which method to use; this is a risk, and antithesis, of overloading .

Answer 38

Ambiguous methods

Question 39

The ability of a method to act appropriately according to the context.

Answer 39

Polymorphism

Question 40

Overloading a method occurs when multiple methods have the same name, but different ________ ______.

Answer 40

parameter lists

Question 41

What are the 3 rules of method design?

Answer 41

1. Employ implementation hiding
2. Increase cohesion
3. Reduce coupling

Question 42

The four details of a predefined method:
1. What the method does in general
2. The method's name
3.
4.

Answer 42

3. The method’s required parameters/data types.

4. The method’s return type

Question 43

The “interface to the method” is….

Answer 43

the only part of a method with which the method’s client interacts

Question 44

When it comes to a _____ ___, you can examine what goes in and what comes out, but not the details of how the method works inside.

Answer 44

black box

Question 45

How the internal statements of a method serve to accomplish the method’s purpose

Answer 45

Cohesion

Question 46

Implementation hiding is based on the __________ of method details.

Answer 46

encapsulation

Question 47

When all of a method’s operations contribute to the performance of a single task.

Answer 47

Functional cohesion

Question 48

Coupling is a measure of the strength of the ________ between two program methods; it expresses the extent to which information is exchanged by methods.

Answer 48

connection

Question 49

True or False: The best methods pass single arguments rather than many variables/records

Answer 49

True

Question 50

This occurs when a method is defined in terms of itself.

Answer 50

Recursion / recursive method

Question 51

Whenever a method is called, the address to which the program should return, upon the method’s completion, is stored in a memory location called the _____.

Answer 51

stack

Question 52

This is the result of too many return addresses.

Answer 52

Stack overflow

Question 53

This is the input value that makes the recursion stop.

Answer 53

Base case

Question 54

This is the input values that cause a method to recur.

Answer 54

Recursive case

Question 55

What are some the drawbacks of tight coupling?

Answer 55

1. Many data paths to keep track of
2. Many chances for bad data to pass from one method to another.
3. Many chances for one method to alter information needed by another method.

Question 56

True or False: Many globally defined variables increase the chances of tight coupling.

Answer 56

True, because when one method changes the valued stored in a variable, other methods are affected.

Question 57

What is another phrase for the base case?

Answer 57

Terminating case