Java IO Tutorial - Java FilterReader.read()








Syntax

FilterReader.read() has the following syntax.

public int read()  throws IOException

Example

In the following code shows how to use FilterReader.read() method.

/*www . ja va  2s.c  o m*/

import java.io.FilterReader;
import java.io.Reader;
import java.io.StringReader;

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

    int i = 0;
    char c;

    // create new reader
    Reader r = new StringReader("ABCDEF");

    // create new filter reader
    FilterReader fr = new FilterReader(r) {
    };

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

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

  }
}

The code above generates the following result.