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- C++ a. What is the difference between function overloading and function templates? b. Write a program which has a function template. The function template should take a number as parameter and return the absolute value. Moreover, write a driver function and pass integer, float and double values to the function. Print the values returned by the function on screenModify this program to use namespaces and separate compilation. using c++-Put the class definition and other function declarations Programming Projects 517 in one file.-Place the implementations in a separate file.-Distribute the namespace definition across the two files.-Place the demonstration program in a third file.-To provide access to names in namespaces, you may use local using declarations such as using std::cout; or use local using directives such as using namespace std; inside a block, or qualify names using the names of namespaces, such as std::cout.-You may not use global namespace directives such as the following which are not in a block and apply to the entire file: using namespace std;" code #include <iostream>#include<string>using namespace std; class PFArrayD{public:PFArrayD( );//Initializes with a capacity of 50.PFArrayD(int capacityValue);PFArrayD(const PFArrayD& pfaObject);void addElement(double element);//Precondition: The array is not…Modify this program to use namespaces and separate compilation. using c++-Put the class definition and other function declarations Programming Projects 517 in one file.-Place the implementations in a separate file.-Distribute the namespace definition across the two files.-Place the demonstration program in a third file.-To provide access to names in namespaces, you may use local using declarations such as using std::cout; or use local using directives such as using namespace std; inside a block, or qualify names using the names of namespaces, such as std::cout.-You may not use global namespace directives such as the following which are not in a block and apply to the entire file: using namespace std;" code #include <iostream>#include<string>using namespace std; class PFArrayD{public:PFArrayD( );//Initializes with a capacity of 50.PFArrayD(int capacityValue);PFArrayD(const PFArrayD& pfaObject);void addElement(double element);//Precondition: The array is not…
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- Part 2 Invent your own function that does some useful computation of your choosing. Do not copy the function from somewhere else. Use incremental development, and record each stage of the development process as you go. Finally, print output that demonstrates that the function works as you intended. Include all of the following in your Learning Journal: An explanation of each stage of development, including code and any test input and output. The output of three calls to your function with different arguments.1. Code question First, answer this code question: This is a javascript function. Please input the response of this function in the field below. function test(name, birth_year, current_year) { const age = current_year - birth_year; const response = name + " is " + age; return response;}test("alice", 1823, 1902) Enter the return value of the function.Answer the given question with a proper explanation and step-by-step solution. JavaScript DO NOT submit with any console.log statements in your file. DO NOT edit the function definitions. You should simply write your code inside each function body. The functions are provided for you as a starting point in the submission-template.js file. DO NOT create your own values inside the functions. We have a test suite which will pass in its own values. For example, in findSum, there is an array of numbers (called array) passed into the function as a parameter. You should work with array to write your solution. It's fine to pass your own values as you're working, but write the function body with the assumption that it should work against any appropriate values that are passed in. Problem 4 - Write a function called largestPair that takes an array of integers and finds the pair of adjacent elements that has the largest product and return that product. For example: largestPair([5, 1, 2, 3, 1,…
- Exercise 9-6: Pass by Reference and Pass by Address In this exercise, you use what you have learned about passing arguments by reference and by address to functions to answer Questions 1-2. 1. Given the following variable and function declarations, write the function call and the function's header a. double price 22.95, increase .10; void changePrice(doubl e&, double); b. double price 22.95, increase .10; void changePrice (double*, double); c. int age = 23; void changeAge(int&); d. int age 23; void changeAge (int*); 2. Given the following function headers and variable declarations, write a function call: a. custNames [] = {"Perez", "Smith", "Patel", "Shaw"}; balances [] = {34.00, 21.00, 45.50, 67.00); void cust (string name [], double bal []) b. int values [] = {1, 77, 89, 321, -2, 34}: void printSum (int nums [])Local declarations are those that are kept in the memory of the computer; but, how exactly are they kept in memory? If reaching one's objective can be done without making use of local declarations, then doing so is a waste of time. Why bother using value parameters when you can just use references as your arguments in any function? How crucial are value parameters when it comes to the processing of programmed data?When arrays are supplied to functions as parameters: A They are never passed by reference.B. They are usually passed by reference.C. Arrays cannot be sent as arguments to functions.D. There is no need to supply arrays to functions because they are global by default.