Fill in the blanks in each of the following statements: 13. Each function definition can specifhat represent addional information quires to perform its task correctly. 14. Declaring data members with access modifier 15. The initial value of a string is thew 16. Variables declared in the body of a particular function are known as 17. Each parameter must specify both an)and a(n) is known as information hiding. which does not contain any characters and can be that function. 18. Function reads characters until a newline character is encountered 19. It is customary to define a class in aln) file that has a h filename extension. 20. A(n) normally consists of one or more member functions that manipulate the attributes that belong to a particular object. 21. Classes often provide public member functions to allow dlients of the class to or the values of private data members