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Test: Swift - Forced Unwrapping of Optionals
2. How do you add two variables called score1 and score2 which are of type Optional
Results Congratulations! Correct Answer. You Answered: None. If you took the test, your answer will show up here. Correct Answer: score1!+score2! Explanation Here score1 is declared as: var score1: Int? and score2 is declared as score2: Int?. In order to add them, we need to first get the Int values by unwrapping them. So, adding them would be: score1!+score2!Take the Test Take the complete test on this topic. You will be able to review answers to questions and get a test score.
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Test is Based on this Article
This article talks about getting the value wrapped inside an optional by unwrapping it forcibly.
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Test on Forced Unwrapping of the Optionals in Swift.
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