001package basics.stringbuffer;
002public class Main {
003        private Main() {}
004        static public void main (String[] args) {
005                //stdlib.Trace.graphvizShowSteps (true); stdlib.Trace.run ();
006                StringBuilder b = new StringBuilder();
007                b.append("I am ");
008                b.append("a dog");
009                String s = b.toString();
010                System.out.println(s);
011                b.append("matic jerk");
012                System.out.println(s);
013        }
014}