Though then you can have code like "hello" + "world" that doesn't compile and "hello" + 10 that will do something completely different. In some situations you c

Though then you can have code like "hello" + "world" that doesn't compile and "hello" + 10 that will do something completely different. In some situations you could actually end up with that by gradual modification of the original code.. Granted this is probably a novice-level problem.