Answer : True
Explanation: Vectors can hold, data of the same type and can automatically expand accordingly and change it’s size. The date stored in vectors should be linear.
- The syntax for vector is vector<int>v;
- Mostly this is used in C++ as an alternative to arrays
- If you want to use vector in your program then define it in the header first i.e.
#include <vector>
- Push back is a function, that is used to insert an element into the vector
- Pop back removes the element from the vector
Answer:
c. You cannot change the name, return type, or parameters of a method defined by the interface.
Explanation:
When implementing an interface:
- The return type of the implementing method should be same as the one defined in the interface.
- The parameters of the implementing method should be the same as defined in the interface.
- The name of the method should be the same as that defined in the interface.
So among the given options , option c is the most relevant as it captures all the above conditions.
Mixed and market economies protect individuals' ability to make their own economic decisions.
Answer:
<u>First test:</u> Give a list of disordered numbers to the sorting algorithm an examine if the output is correctly sorted.
<u>Second test:</u> Give a list of ordered numbers to the sorting algorithm an analyze if the output is still correctly ordered.
<u>Third test:</u> Give a list of ordered numbers and some non-numeric values to the sorting algorithm and check how is managed the exception in case of error or if the output is correctly ordered.
Answer is c low level format
