midJava

What is File Handling in Java?

Updated May 6, 2026

Short answer

File handling allows reading and writing files.

Deep explanation

Uses classes like FileReader, BufferedWriter for IO operations.

Real-world example

Used in logging and data storage.

Common mistakes

  • Not closing streams.

Follow-up questions

  • What is buffering?
  • What is NIO?

More Java interview questions

View all →