Read file to byte array : Byte Array « File Input Output « Java

1. Java
2. File Input Output
3. Byte Array

Read file to byte array

 

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

public class Util{
    public static byte[] readFile(String filename) throws IOException {
        File file = new File(filename);
        return readFile(file);
    }
    
    public static byte[] readFile(File file) throws IOException {
        BufferedInputStream bis = new BufferedInputStream(new
            FileInputStream(file));
        int bytes = (int) file.length();
        byte[] buffer = new byte[bytes];
       
        int readBytes = bis.read(buffer);
        bis.close();
        return buffer;
    }
    
}

   
  

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