Java IO Tutorial - Java PushbackReader .markSupported ()

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Syntax

PushbackReader.markSupported() has the following syntax.

public boolean markSupported()

Example

In the following code shows how to use PushbackReader.markSupported() method.

import java.io.*;
/*from  w ww .j  a  v  a 2  s .c om*/
public class Main {

   public static void main(String[] args) {

      String s = "from java2s.com";

      StringReader sr = new StringReader(s);

      PushbackReader pr = new PushbackReader(sr, 20);

      try {
         for (int i = 0; i < 5; i++) {
            char c = (char) pr.read();
            System.out.println(c);
         }
         System.out.println("" + pr.markSupported());

         pr.close();

      } catch (IOException ex) {
         ex.printStackTrace();
      }
   }
}

The code above generates the following result.

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