import java.io.*;
public class WriteToString{
  public static void main(String [ ] args)throws IOException{
      //READING FROM A STRING
      Reader r = new StringReader("hey");
      System.out.println('h'+'e');
      System.out.println((char)r.read( )+" - " +
            (char)r.read()  + " - " + (char)r.read( ) );
      //WRITING TO A STRING
      Writer sw = new StringWriter( );
       sw.write("h"); sw.write("e"); sw.write("y"); 
       System.out.println(sw.toString( ));
    }
}