CS304P Lab Quiz 5 by VUBuddy

Q1. Which of the following is a weak relationship?

1. Inheritance
2. Composition
3. Association

Q2. Which of the following is true about the aggregation?

1. Aggregation is a weak relationship.

The aggregation is a relationship between container and contained objects. studywithhamza25 b. c. The life of the sub-object is dependent on the life of the master class. d. All of the given options

Q3. Which of the following offers a programmer the facility of using a specific class object into other classes?

1. Polymorphism
2. Inheritance
3. Abstraction

Q4. Why do we need relationships between classes?

1. To enhance the communication between classes
2. All of the given option. studywithhamza25
3. To use the functionality of one class into derived classes
4. To increase code re-usability

Q5. Which of the following creates the strongest relationship between two objects?

1. Aggregation
2. Composition
3. Association

Q6. What is the purpose of new operator?

1. Used to declare any new thing in a program
2. Used as return type when an object is created
3. Allocates memory for an object or array and returns a

particular pointer. studywithhamza25 d. Allocates memory for an object or array

Q7. Which of the following is true about the friend functions?

1. All of the given options. studywithhamza25
2. Access specifiers has no impact on friend functions or classes
3. Friend functions can be placed anywhere in the class
4. Prototypes of friend functions appear in the class definition.

Q8. A doctor can see patients. This type of relationship is known as ________.

1. Two-way Association. studywithhamza25
2. One-way Association
3. Binary Association
4. Ternary Association

Q9. In C++, if new operator is used, when is the constructor called?

1. After the allocation of memory
2. Depends on code
3. Constructor is called to allocate memory
4. Before the allocation of memory. studywithhamza25 10.

When an object of a class is the data member of another class, it is called as _________. a. inheritance b. Association c. aggregation

11. In the call by reference method, which operator is used to get the address of a variable? a. % b. &

d. # 12. Which of the following two arrays are copy-able? a. int a[4], int b[5] b. int a[5], float b[5] c. float a[4], int b[5] d. int a[5], int b[5] . studywithhamza25 13. Which of the following is the correct way to initialize all the elements of array with 0?