File Handling in Java allows programmers to read, write, and manipulate files using built-in classes from the java.io and java.nio packages. It’s a core skill for building applications that store or process external data.
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Which package contains Java’s basic file handling classes like File, FileReader, and FileWriter?
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Question 2 of 15
2. Question
Which class is used to create and represent a file or directory in Java?
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Question 3 of 15
3. Question
What happens when new File(“data.txt”) is executed?
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Question 4 of 15
4. Question
Which method is used to check if a file exists?
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Question 5 of 15
5. Question
Which method creates a new file on disk in Java?
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Question 6 of 15
6. Question
Which class is used to read data from a character file?
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Question 7 of 15
7. Question
What is the purpose of BufferedReader in Java?
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Question 8 of 15
8. Question
Which class is used to write text to a file in Java?
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Question 9 of 15
9. Question
Which method of FileWriter is used to write a string to the file?
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Question 10 of 15
10. Question
What happens if you open a file in write mode that already exists?
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Question 11 of 15
11. Question
Which exception must be handled when working with FileReader and FileWriter?
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Question 12 of 15
12. Question
How do you ensure that file resources are properly closed?
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Question 13 of 15
13. Question
What does the delete() method of the File class do?
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Question 14 of 15
14. Question
Which class is suitable for writing formatted text to a file?
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Question 15 of 15
15. Question
Which statement is true about FileInputStream?
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Summary
Java File Handling is a powerful concept that lets developers interact with files for reading, writing, and manipulation. Core classes like File, FileReader, and FileWriter provide both low-level control and efficient file processing capabilities.
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