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36.
Which of the following statements can you use to catch integer overflow and underflow errors?
- A.checked
- B.overflow
- C.watch
- D.try
- Answer & Explanation
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Answer : [C]
Explanation :
Explanation :
37.
Which of the following techniques should you use to watch for floating point operations that
cause overflow or underflow?
- A.Use a checked block.
- B.Use a try-catch block.
- C.Check the result for the value Infinity or NegativeInfinity.
- D.Check the result for Error.
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
38.
Which the following statements about the base keyword is false?
- A.A constructor can use at most one base statement.
- B.A constructor cannot use both a base statement and a this statement.
- C.The base keyword lets a constructor invoke a different constructor in the same class.
- D.If a constructor uses a base statement, its code is executed after the invoked constructor is executed.
- Answer & Explanation
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Answer : [C]
Explanation :
Explanation :
39.
Which the following statements about the this keyword is false?
- A.A constructor can use at most one this statement
- B.A constructor can use a this statement and a base statement if the base statement comes first.
- C.The this keyword lets a constructor invoke a different constructor in the same class.
- D.If a constructor uses a this statement, its code is executed after the invoked constructor is executed.
- Answer & Explanation
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Answer : [D]
Explanation :
Explanation :
40.
Suppose you have defined the House and Boat classes and you want to make a HouseBoat class
that inherits from both House and Boat. Which of the following approaches would not work?
- A.Make HouseBoat inherit from both House and Boat.
- B.Make HouseBoat inherit from House and implement an IBoat interface
- C.Make HouseBoat inherit from Boat and implement an IHouse interface.
- D.Make HouseBoat implement both IHouse and IBoat interfaces.
- Answer & Explanation
- Report
Answer : [B]
Explanation :
Explanation :
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