001package basics.mutabledata;
002public class Main {
003        private Main() {}
004        static public void main (final String[] args) {
005                //stdlib.Trace.graphvizShowSteps (true); stdlib.Trace.run ();
006                final MutPair<Integer,String> mp1 = new MutPair<>();
007                mp1.setFirst(42);
008                mp1.setSecond("dog");
009                System.out.println(mp1);
010        }
011}