Java tutorial
import java.io.*; public class Main { public static void main(String[] args) { StringWriter sw = new StringWriter(); // create two new sequences CharSequence sq1 = "Hello"; CharSequence sq2 = " World from java2s.com"; // append sequence sw.append(sq1); System.out.println(sw.toString()); // append second sequence sw.append(sq2); System.out.println(sw.toString()); } }