3460:421 OOP S22 UML Multiplicity

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Across
  1. 4. How we can reset a std::optional back to an empty state
  2. 5. To tell the difference between a std::string that does not have a value versus a std::string with an empty string, we could use a ____, but it is not a great solution.
  3. 8. Both multiplicities [1..*] and [*] are ______
  4. 10. Both multiplicities [1] and [0..1] are ____ ____
  5. 12. A std::string can have ____ states
  6. 13. A char* can have ____ states
  7. 15. Both multiplicities [1] and [1..*] are ______
Down
  1. 1. Both multiplicities [0..1] and [0..*] are ______
  2. 2. Multivalued multiplicities are ______ in C++
  3. 3. A solution introduced in c++17 is ______
  4. 5. Multiplicity in UML primarily refers to _____
  5. 6. The null state of char* has the value _____
  6. 7. The std::optional completely replaces using _____ for optional single value attributes
  7. 9. std::optional can be used on any ____ type (non-pointer)
  8. 11. One use case for std::optional is for an _____ return
  9. 14. The std::optional allows for ____ loading/allocation