1. Suppose you implement a class, but you do not write a constructor. What kind of constructor does Java usually provide automatically? 2. Write some Java code that creates a new throttle with six...

1. Suppose you implement a class, but you do not write a constructor. What kind of constructor does Java usually provide automatically?

2. Write some Java code that creates a new throttle with six positions, shifts the throttle halfway up (to the third position), and prints the current flow.