Read file in byte array using FileInputStream
- /*
- 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.
- */
