Practice Java I/O (java.io Package) - 21.1 | 21. Java I/O and NIO | Advanced Programming
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is the purpose of the FileInputStream class?

💡 Hint: Think about how you would read binary data.

Question 2

Easy

What does serialization mean in Java?

💡 Hint: Consider what happens when you save an object.

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 main purpose of the java.io package?

  • For network programming
  • For input and output operations
  • For creating graphics

💡 Hint: Think about what the package is primarily used for.

Question 2

True or False: A File class object can represent both files and directories.

  • True
  • False

💡 Hint: Consider the versatility of handling file systems in Java.

Solve 2 more questions and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Design a Java application that reads a large binary file using FileInputStream, processes each byte, and writes the processed data to a new file using FileOutputStream.

💡 Hint: Think of how to handle file streams effectively in a loop.

Question 2

Create a class that uses serialization to save an object to a file, and another class to read the object back into memory. Be sure to handle exceptions appropriately.

💡 Hint: Consider how serialization affects object state management.

Challenge and get performance evaluation