Java IO Tutorial - Java InputStream.available()

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Syntax

InputStream.available() has the following syntax.

public int available()  throws IOException

Example

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

/*from w w w.  j a v a  2  s  .  c  o  m*/

import java.io.FileInputStream;
import java.io.InputStream;

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

    int i = 0;

    // new input stream created
    InputStream is = new FileInputStream("C://test.txt");

    // read till the end of the stream
    while ((i = is.read()) != -1) {
      // convert integer to character
      char c = (char) i;

      // print
      System.out.println("Character Read: " + c);
    }
    is.close();
  }
}

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