4. Data Collections

Using Text Files — Quiz

Test your understanding of using text files with 5 practice questions.

Read the lesson first

Practice Questions

Question 1

What is a text file most commonly used for in a program that works with collections of data?

Question 2

Which Java class is commonly used to read text files line by line in AP Computer Science A?

Question 3

When a program reads a text file into an array or an $ArrayList$, what is usually the first step before storing the data?

Question 4

Why might a programmer choose an $ArrayList$ instead of an array when working with data from a text file?

Question 5

A file contains one student's name on each line. After reading the file with a $Scanner$, which code pattern most likely processes each line until the end of the file?