// @topic S-0314-10-03-50 Java object pool design pattern // @brief class ReusableVisitor package objectpooldemo; public class ReusableVisitor { // data attributes private boolean inUse = false; public boolean isInUse() { return inUse; } public void setInUse(boolean inUse) { this.inUse = inUse; } }//class ReusableVisitor