- Data Structure
- Networking
- RDBMS
- Operating System
- Java
- MS Excel
- iOS
- HTML
- CSS
- Android
- Python
- C Programming
- C++
- C#
- MongoDB
- MySQL
- Javascript
- PHP
- Physics
- Chemistry
- Biology
- Mathematics
- English
- Economics
- Psychology
- Social Studies
- Fashion Studies
- Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Java Program to Convert contents of a file to byte array and Vice-Versa
The FileInputStream class contains a method read(), this method accepts a byte array as a parameter and it reads the data of the file input stream to given byte array. Assume the file myData contains the following data −
Example
import java.io.File; import java.io.FileInputStream; public class FileToByteArray { public static void main(String args[]) throws Exception{ File file = new File("myData"); FileInputStream fis = new FileInputStream(file); byte[] bytesArray = new byte[(int)file.length()]; fis.read(bytesArray); String s = new String(bytesArray); System.out.println(s); } }
Output
Hi how are you welcome to Tutorialspoint
Advertisements
To Continue Learning Please Login
Login with Google