The video tutorial introduces a framework for solving real-world problems by creating a new project. It covers adding document and application classes with virtual functions, implementing a text document class, and executing the application through a main function. The tutorial highlights the issue of tight coupling between the application and text document classes and suggests using a factory method to allow the application to work with any user-defined document class. The video concludes with a promise to explore the factory method implementation in the next video.

What is the primary role of the application class in the framework?

• To handle network communications

• To manage user input and document operations

• To render graphics

• To perform data analysis

Which method is NOT mentioned as part of the application class?

• Delete

• Open

• Save

• New

What is the main function of the text document class?

• To handle database connections

• To implement reading and writing text

• To manage user authentication

• To process image files

Why is the application class tightly coupled with the text document class?

• Because it is written in the same programming language

• Because it uses the same user interface

• Because it shares the same memory space

• Because it uses specific methods of the text document

What solution is proposed to allow the application to work with different document types?

• Using a different programming language

• Creating a new application class

• Implementing a factory method

• Adding more virtual functions