The various methods are all declared as Shared/static so that I can call them directly from the factory class Regardless of what conventions you want to follow when defining Factory classes, the goal ...

public interface Trace { // turn on and off debugging public void setDebug( boolean debug ); // write out a debug message public void debug( String message ...

Integrating lambda expressions into your methods is easy. The trick is in recognizing when to use them. And that means understanding when the strategy and factory method patterns are going to make ...