Java IO Tutorial - Java FilterInputStream.read(byte[] b)

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Syntax

FilterInputStream.read(byte[] b) has the following syntax.

public int read(byte[] b)  throws IOException

Example

In the following code shows how to use FilterInputStream.read(byte[] b) method.

import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.FilterInputStream;
import java.io.InputStream;
//from  www.  jav a 2 s. c o  m
public class Main {
  public static void main(String[] args) throws Exception {

    byte[] buffer = new byte[6];

    // create input streams
    InputStream is = new FileInputStream("C://test.txt");
    FilterInputStream fis = new BufferedInputStream(is);

    // returns number of bytes read to buffer
    int i = fis.read(buffer);

    // prints
    System.out.println("Number of bytes read: " + i);

    // for each byte in buffer
    for (byte b : buffer) {
      // converts byte to character
      char c = (char) b;

      System.out.println("Character read: " + c);
    }

  }
}

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