package basics.stringbuffer;
public class Main {
	private Main() {}
	static public void main (String[] args) {
		//stdlib.Trace.graphvizShowSteps (true); stdlib.Trace.run ();
		StringBuilder b = new StringBuilder();
		b.append("I am ");
		b.append("a dog");
		String s = b.toString();
		System.out.println(s);
		b.append("matic jerk");
		System.out.println(s);
	}
}