Applying OOP in Real Projects: UML & Clean Code Explained

1.What is the main goal of applying OOP in projects?

a) To make code longer
b) To make code modular and reusable
c) To avoid classes
d) To use more variables

2.Which project can best apply OOP?

a) Library Management System
b) Calculator
c) Hello World
d) Print numbers

3. UML stands for?

a) Unified Modeling Language
b) Universal Model Logic
c) Unit Model Language
d) User Main Logic

4. A class diagram shows:

a) Program output
b) Data flow
c) Classes and their relationships
d) Loop structure

5. Which is NOT an OOP project example?

a) Payroll System
b) Library System
c) Student Management
d) Simple Calculator

6. The arrow with an empty triangle in UML shows:

a) Inheritance
b) Composition
c) Aggregation
d) Association

7. Why is clean code important?

a) Easier to maintain and understand
b) Takes more space
c) Looks colorful
d) Harder to debug

8. Which concept helps reuse code in OOP projects?

a) Inheritance
b) Abstraction
c) Looping
d) Variables

9. What should each class represent?

a) One main idea or object
b) Many unrelated tasks
c) A collection of random functions
d) A database table only

10. What connects classes in a UML diagram?

a) Lines showing relationships
b) Colors
c) Text only
d) Code snippets

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