The Complete Java Developer Course: From Beginner to Master - More File I/O
Interactive Video
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Information Technology (IT), Architecture
•
University
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary goal of reading data from two files in this lesson?
To encrypt the data for security
To merge the data into a single file
To display the data on the console
To delete the data from the original files
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which Java class is used to write data to a file?
PrintWriter
FileReader
Scanner
BufferedReader
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in setting up the Java program for file handling?
Importing necessary libraries
Creating a new Java class
Declaring variables
Writing the main method
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a try-catch block in file handling?
To increase memory usage
To handle potential exceptions
To speed up the program execution
To simplify the code structure
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which exception is specifically handled in the file handling process?
ArrayIndexOutOfBoundsException
FileNotFoundException
IOException
NullPointerException
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of closing file readers and writers?
To avoid file locks
To speed up execution
To prevent data corruption
To free up memory
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What indicates a successful run of the program in this lesson?
The program crashes
An error message is shown
No output is displayed on the console
Output is displayed on the console
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