Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What class is used in C++ to write data to files?
💡 Hint: Looks like output file stream.
Question 2
Easy
Which method would you use to read an entire line from a file?
💡 Hint: It helps to read line by line.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the purpose of the 'ofstream' class?
- For reading from files
- For writing to files
- For annotating files
💡 Hint: Think about what 'out' stands for.
Question 2
True or False: It is necessary to close a file after opening it in C++.
- True
- False
💡 Hint: Remember what happens if you don't close it.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a program that creates a file, writes some lines of text to it, and then reads those lines back to display on the console.
💡 Hint: Look carefully at how you're writing and then reading the data.
Question 2
Explain what happens if you read from a file that doesn't exist. Write a code snippet to handle this error.
💡 Hint: Think about checking if the file is open before trying to read.
Challenge and get performance evaluation