C++ Developer - Project - Dynamically Creating Rectangles

C++ Developer - Project - Dynamically Creating Rectangles

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

Quizizz Content

FREE Resource

This video tutorial guides students through creating a Visual Studio project named Dynamic Rectangles. It covers setting up the project, managing files, and coding a main function to create an array of rectangle pointers. Students learn to use the new keyword for dynamic memory allocation, calculate areas and perimeters, and properly delete objects. Debugging and understanding output are also discussed, with encouragement to practice and improve coding skills.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main task in the Dynamic Rectangles project?

Create a static array of circle pointers.

Create a dynamic array of strings.

Create a static array of rectangle pointers.

Create a dynamic array of integers.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should you do after creating rectangles of different sizes?

Store them in a file.

Calculate and print their areas and perimeters.

Change their shapes.

Print their colors.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it important to delete the rectangle objects?

To store them in a database.

To print their details again.

To change their sizes.

To free up memory.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What files need to be copied into the new project directory?

Only the implementation file.

Only the header file.

No files need to be copied.

Both the header and implementation files.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of using the 'new' keyword in this project?

To dynamically allocate memory for rectangles.

To create new variables.

To print rectangle details.

To delete objects.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What should be done after printing the rectangle properties?

Delete the rectangle objects.

Store them in a database.

Change their colors.

Increase their sizes.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a good practice after deleting the rectangle objects?

Print the objects again.

Change the array size.

Set the pointers to null.

Recreate the objects.