Rewrite of Previous example:
final boolean FOURLEGS = true;
final boolean BARKS = true;
final boolean MEOWS = false;
System.out.println(�not four-legged�);
if ( FOURLEGS && BARKS && (MEOWS == false))
System.out.println(�4 legs, probably a dog�);
if (FOURLEGS && MEOWS && (BARKS == false))
System.out.println(�4 legs, probably a cat);
if (FOURLEGS && (MEOWS == false) && (BARKS == false))
System.out.println(�4 legs, no idea what.�);