Java tutorial
import java.io.*; public class Main { public static void main(String[] args) { String s = "tutorial from java2s.com"; // create a new StringReader Reader reader = new StringReader(s); try { // read the first five chars for (int i = 0; i < 5; i++) { char c = (char) reader.read(); System.out.println(c); } System.out.println(reader.markSupported()); reader.close(); } catch (IOException ex) { ex.printStackTrace(); } } }