21.1 - Java I/O (java.io Package)
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Practice Questions
Test your understanding with targeted questions
What is the purpose of the FileInputStream class?
💡 Hint: Think about how you would read binary data.
What does serialization mean in Java?
💡 Hint: Consider what happens when you save an object.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the main purpose of the java.io package?
💡 Hint: Think about what the package is primarily used for.
True or False: A File class object can represent both files and directories.
💡 Hint: Consider the versatility of handling file systems in Java.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
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.
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.
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