Question 96
Which class definition compiles?
Question 97
Given:

Your design requires that:
- fuelLevel of Engine must be greater than zero when the start() method is invoked.
- The code must terminate if fuelLevel of Engine is less than or equal to zero.
Which code fragment should be added at line n1 to express this invariant condition?

Your design requires that:
- fuelLevel of Engine must be greater than zero when the start() method is invoked.
- The code must terminate if fuelLevel of Engine is less than or equal to zero.
Which code fragment should be added at line n1 to express this invariant condition?
Question 98
For which three objects must a vendor provide implementations in its JDBC driver?
Question 99
Given:

What is the result?

What is the result?
Question 100
Given:

and the code fragment:

What is the result?

and the code fragment:

What is the result?
