Question 11 pts A UML class diagram Flag this Question Question 21 pts Consider

Question

Question 11 pts

A UML class diagram

Flag this Question

Question 21 pts

Consider the following code:

class Multiplier:
    def __init__(self):
        self.num1 = 0
        self.num2 = 0

    def getProduct(self):
        return self.num1 * self.num2

def main():
    m = Multiplier()
    m.num1 = 7
    m.num2 = 3
    print(m.num1, "X", m.num2, "=", m.getProduct())

if __name__ == "__main__":
    main()

What is (are) the methods of the class?

Flag this Question

Question 31 pts

Consider the following code:

class Rectangle:
    def __init__(self, height, width):
        self.height = height
        self.width = width

    def getPerimeter(self):
        perimeter = self.height * 2 + self.width * 2
        return perimeter

    def getArea(self):
        area = self.height * self.width
        return area

    def getStr(self):
        return str(self.height) + " by " + str(self.width)

How many public attributes does this class define?

Flag this Question

Question 41 pts

Consider the following code:

class Rectangle:
    def __init__(self, height, width):
        self.height = height
        self.width = width

    def getPerimeter(self):
        perimeter = self.height * 2 + self.width * 2
        return perimeter

    def getArea(self):
        area = self.height * self.width
        return area

    def getStr(self):
        return str(self.height) + " by " + str(self.width)

How many public methods does this class define?

Flag this Question

Question 51 pts

Consider the following code:

class Die:
    def __init__(self):
        self.__value = 1

    def getValue(self):
        return self.__value
                
    def roll(self):
        self.__value = random.randrange(1, 7)

Given a Die object named die, which of the following will print the value of the __value attribute to the console?

Flag this Question

Question 61 pts

Consider the following code:

class Multiplier:
    def __init__(self):
        self.num1 = 0
        self.num2 = 0

    def getProduct(self):
        return self.num1 * self.num2

def main():
    m = Multiplier()
    m.num1 = 7
    m.num2 = 3
    print(m.num1, "X", m.num2, "=", m.getProduct())

if __name__ == "__main__":
    main()

What is (are) the attributes of the class?

Flag this Question

Question 71 pts

Given a class named Customer, which of the following creates a Customer object and assigns it to the variable named cust1:

Flag this Question

Question 81 pts

Given a variable named p that refers to a Product object, which of the following statements accesses the price attribute of the Product object?

Flag this Question

Question 91 pts

In a method, the first parameter, which is usually named self, refers to the current

Flag this Question

Question 101 pts

The methods contained in an object that has been created from a class is its __________.

Explanation / Answer

Answer 11:

A UML class diagram

describes the attributes and methods of one or more classes

Explanation:

A UML class diagram is a type of static structure diagram that describes the structure of a system by showing the system's classes, their attributes, operations (or methods), and the relationships among objects.;

Answer 21:

The methods of the class are

getProduct()

__init__()

Answer 31:

Public attributes does this class define?

4

these are height, width, perimeter and area

Explanation:

All member variables and methods are public by default in Python. So when you want to make your member public, you just do nothing.

Protected member variables and methods are by convention - by prefixing the name of your member with a single underscore.

Private member variables and methods are by convention - by prefixed with at least two underscores and suffixed with at most one underscore into _<className><memberName>.

Answer 41:

Public methods does this class define?

3

These are a) getPerimeter(self)  b) getArea(self) c) getStr(self)

Explanation:

All member variables and methods are public by default in Python. So when you want to make your member public, you just do nothing.

Protected member variables and methods are by convention - by prefixing the name of your member with a single underscore.

Private member variables and methods are by convention - by prefixed with at least two underscores and suffixed with at most one underscore into _<className><memberName>.

Answer 51:

Given a Die object named die, which of the following will print the value of the __value attribute to the console?

print(die.getValue())

Answer 61:

What is (are) the attributes of the class?

num1, num2

Answer 71:

Given a class named Customer, which of the following creates a Customer object and assigns it to the variable named cust1:

cust1 = Customer()

Answer 81:

Given a variable named p that refers to a Product object, which of the following statements accesses the price attribute of the Product object??

p.price

Answer 91:

In a method, the first parameter, which is usually named self, refers to the current?

object

Please give thumbsup, if you like it. Thanks.

.

Related Questions

Navigate

• Browse (All)
• Browse Q
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.