The code for a template function is generated when

1.The function template declaration (prototype) appears in the C++ program.

2.The function template is encountered in the C++ program.

3.The function call is encountered in the C++ program

4.At runtime, when the function call is executed.

Which of the following are vector member functions?

1.push_back(baseTypeObject) puts object on the back of the vector 2.indexing, like an array, with index values 0 to size( ) -1 3.All of the above. 4.a constructor that takes an int argument and constructs a vector of that many base type default constructed elements

Which of the following are correct?

1.A class can have only one default constructor. 2.A default constructor can only be provided by the compiler.

3.A constructor must be declared with a return type

4.A constructor must be declared for each class.