package test.thread; import java.util.Map; public class BaseSequentialSample { protected void addId(String method, long id) { ppp(method + " ID:" + id); getMap().put(id, id); } Map getMap() { Map result = Helper.getMap(getClass().getName()); ppp("RETURNING MAP " + result + " THIS:" + this); return result; } protected void ppp(String s) { if (false) { System.out.println("[BaseSequentialSample:" + getClass().getName() + " " + Thread.currentThread().getId() + " " + "] " + s); } } }