Read byte array from file using DataInputStream
- /*
- Read byte array from file using DataInputStream
- This Java example shows how to read an array of bytes from file using
- read or readFully method of Java DataInputStream class.
- */
- import java.io.DataInputStream;
- import java.io.FileInputStream;
- import java.io.FileNotFoundException;
- import java.io.IOException;
- public class ReadByteArrayFromFile {
- public static void main(String[] args) {
- String strFilePath = "C://FileIO//readByteArray.txt";
- try
- {
- //create FileInputStream object
- FileInputStream fin = new FileInputStream(strFilePath);
- /*
- * To create DataInputStream object, use
- * DataInputStream(InputStream in) constructor.
- */
- DataInputStream din = new DataInputStream(fin);
- /*
- * To read an array of bytes from file, use
- * int read(byte b[]) method of Java DataInputStream class.
- *
- * This method reads bytes from input stream and store them in array of bytes.
- * It returns number of bytes read.
- */
- byte b[] = new byte[10];
- din.read(b);
- /*
- * To close DataInputStream, use
- * void close() method.
- */
- din.close();
- }
- catch(FileNotFoundException fe)
- {
- System.out.println("FileNotFoundException : " + fe);
- }
- catch(IOException ioe)
- {
- System.out.println("IOException : " + ioe);
- }
- }
- }
