/*
Read file in byte array using FileInputStream
This example shows how to read a file in byte array using Java FileInputStream class.
This method should only be used when the file size is less than Integer.MAX_VALUE.
*/
import java.io.*;
public class ReadFileByteArray {
public static void main(String[] args) {
//create file object
File file = new File("C://FileIO//ReadString.txt");
try
{
//create FileInputStream object
FileInputStream fin = new FileInputStream(file);
/*
* Create byte array large enough to hold the content of the file.
* Use File.length to determine size of the file in bytes.
*/
byte fileContent[] = new byte[(int)file.length()];
/*
* To read content of the file in byte array, use
* int read(byte[] byteArray) method of java FileInputStream class.
*
*/
fin.read(fileContent);
//create string from byte array
String strFileContent = new String(fileContent);
System.out.println("File content : ");
System.out.println(strFileContent);
}
catch(FileNotFoundException e)
{
System.out.println("File not found" + e);
}
catch(IOException ioe)
{
System.out.println("Exception while reading the file " + ioe);
}
}
}
/*
Output would be
File content :
This file is for demonstration of how to read file in byte array using Java FileInputStream.
*/
