1. A vector is a data structure holds related data of the same type is similar to an array, except that you don't have to predetermine its size all of the above 2. Which statement is most true about this declaration? vector vector1; this declares a vector object that holds integer data this declares a vector named double that holds integer data this declares a vector object that holds double data this declares an array that holds double data 3. Objects are instances of classes that are used through calling methods. True False 4. What does the push_back() method do? adds a value at the front of a vector adds a value at the end of a vector removes a value at the front of a vector removes a value at the back of a vector 5. What method returns the number of items currently stored in a vector? 6. Which statement is true about this code: vector names; names[10] = "Tom"; it can be used to automatically set the capacity of the array to 11 items it can be used anytime, regardless of the size of the array it can't be used unless the capacity of the array has been previously set to 11 it should only be used if the size of the array is already at least 11 7. Which statement best describes the vector capacity() and size() methods? they can be used interchangeably capacity() returns the current potential number of storage positions and size() returns the actual number of things that are stored size() returns the current potential number of storage positions and capacity() returns the actual number of things that are stored
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