Java IO Tutorial - Java FileInputStream.available()

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Syntax

FileInputStream.available() has the following syntax.

public int available()  throws IOException

Example

In the following code shows how to use FileInputStream.available() method.

/*from w w  w .j a  va 2s. c om*/
import java.io.IOException;
import java.io.FileInputStream;

public class Main {
  public static void main(String[] args) throws IOException {

    int i = 0;

    FileInputStream fis = new FileInputStream("C://test.txt");

    // read till the end of the stream
    while ((i = fis.read()) != -1) {
      // available bytes
      int available = fis.available();

      // convert integer to character
      char c = (char) i;

      System.out.println("Available: " + available);
      System.out.println("Read: " + c);
    }

  }
}

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