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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
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Published on 26-Apr-2018 12:31:03
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