Java Writer.append(CharSequence csq)

public Writer append(CharSequence csq)  throws IOException

//from w w w  .  j  av a2 s. co  m
import java.io.*;

public class Main {

   public static void main(String[] args) {
      CharSequence csq = "from java2s.com!";

      
      Writer writer = new PrintWriter(System.out);

      try {
         // append a sequence and change line
         writer.append("This is an example\n");

         // flush the writer
         writer.flush();

         // append a new sequence
         writer.append(csq);

         // flush the writer to see the result
         writer.flush();

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