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Java File Handling Programs

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Java is a programming language that can create applications that work with files. Files are containers that store data in different formats, such as text, images, videos, etc. Files can be created, read, updated, and deleted using Java.

Java provides the File class from the package to handle files. The File class represents a file or a directory in the file system. It has many methods to perform various operations on files, such as checking if a file exists, creating a new file, deleting a file, getting its name or size, etc.

In this article, we present a comprehensive list of Java file-handling programs with output and explanations.

List of Java File Handling Programs

Below is a complete list of Java file handling examples.

  1. Comparing the Path of Two Files in Java
  2. How to create a new file?
  3. How to get the last modification date of a file?
  4. How to create a file in a specified directory?
  5. File exists() method in Java with examples
  6. Java Program to Make a File Read-Only
  7. Java Program to Rename a File
  8. Java Program to Get the Size of a Given File in Bytes, KiloBytes and MegaBytes
  9. Java Program to Change Last Modification Time of a File
  10. Java Program to Create a Temporary File
  11. Java Program to Append a String in an Existing File
  12. Different Ways to Copy Content From One File to Another File in Java
  13. Delete a File Using Java
  14. Different ways of Reading a text file in Java
  15. Java Program to Write into a File

Java file programs – FAQs

1. What is Java file handling?

Java file handling is the way we read from and write to files in Java programs, allowing us to save and retrieve data for tasks like storing information or configuration settings.

2. How do I read data from a file in Java?

To read data from a file in Java, you can use classes like FileReader and BufferedReader, which help you open, read, and close files easily.

3. How can I write data to a file using Java?

Writing data to a file in Java is done using classes like FileWriter and BufferedWriter, which enable you to create, write, and save information to files.

4. What are the common exceptions in Java file handling?

In Java file handling, common exceptions like FileNotFoundException and IOException can occur when files are missing or errors occur while reading or writing data. Handling these exceptions helps make your code more robust.

Last Updated : 21 Sep, 2023
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