Assume that number is an int array and intptr is an int pointer. Which statement correctly assigns the address of the number array to the intptr pointer?• *intptr = &number;• intptr = &number;• intptr = *number;• intptr = number;
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Assume that number is an int array and intptr is an int pointer. Which statement correctly assigns the address of the number array to the intptr pointer?
• *intptr = &number;
• intptr = &number;
• intptr = *number;
• intptr = number;
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- (Data processing) A bank’s customer records are to be stored in a file and read into a set of arrays so that a customer’s record can be accessed randomly by account number. Create the file by entering five customer records, with each record consisting of an integer account number (starting with account number 1000), a first name (maximum of 10 characters), a last name (maximum of 15 characters), and a double-precision number for the account balance. After the file is created, write a C++ program that requests a user-input account number and displays the corresponding name and account balance from the file.If integer pointer aPtr is to point at a data item whose value may not change it must be declared as ... A. const int * const aPtr; B. int *aPtr; C. int *const aPtr; D. const int *aPtr;Please create an array (called intArr) of type int that contains 25 elements. Then create a pointer (pointer2Arr) to the array.
- 3. Pointers – Arrays: initializing content • Using the pointer ptrArray, you now want to write values in those integers. Use a loop to go through each element in that array, and initialize them all to 42. This is done in the main. 4. Pointers – Arrays: printing • Write a function that will print the elements in the array-pointer. The function should accept a pointer to an integer, and the size of this array. The function should not return anything. Here is your function prototype: void printArray(int* ptr, int nb); • Your function needs to use a loop to go through all the elements in the array, and simply prints them on a new line. • In the main function, call this function with your pointer ptrArray and the size given by the user.Assignment Pointers & Classes1- Define a class student with the following fields:a. First nameb. Last namec. IDd. Number of courses enrolled ine. Dynamic array of courses (taken and currently enrolled in): String *coursesf. Dynamic array of grades: int* gradesg. Addressh. Registration feesi. Total number of creditsj. Expected Graduation term.2- Declare an array of four students. Perform the following operations using your declared array:a. Open the provided file input.txt. Fill the array by reading values from the specified inputfile. Make sure that the array of courses and array of grades are initialized properly anddestroyed properly as well.b. Call a function that prints student information in a well-organized table like fashion.c. Call a function that compares average between two students.d. Call a function that prints student names based on their GPA from highest to lowest.(hint you need to sort the array of students).e. Call a function that prints student names from lowest…Given variables category, heat, and voltage, declare and assign the following pointers: character pointer categoryPointer is assigned with the address of category. integer pointer heatPointer is assigned with the address of heat. double pointer voltagePointer is assigned with the address of voltage. Ex: If the input is C 355 3.5, then the output is: Product category: COperational limit: 355 degrees at 3.5 volts. #include <iostream>#include <iomanip>using namespace std; int main() { char category; int heat; double voltage; /* Your code goes here */ cin >> category; cin >> heat; cin >> voltage; cout << "Product category: " << *categoryPointer << endl; cout << "Operational limit: " << *heatPointer << " degrees at " << fixed << setprecision(1) << *voltagePointer << " volts." << endl; return 0;}
- C++ please Write a program that creates an array of integers and a pointer to the array. The program should then use the pointer to display the values in the array.Declare a pointer variable charArrPointer and initialize it to point to the first elementof a three-element char array named initials.Write assignment statements to store 'A', 'E', and 'W' into the first three elements ofthe array POINTED to by charArrPointer. Do NOT store any values directly into the array namedinitials.C++ Create a class Student that contains three members: roll no, name and mark, and three functions. Write a first inputStudent() function to get data of student class. Write a second getMark() function that returns a student’s mark. Write a third display() function that displays a student’s data. In a main() function, you need to declare 40 students and get data of all students by using inputStudent() function. And also use a pointer array to keep all students by mark greater than 50 and display the searching data of each student in that pointer array (Use the access operator -> to access a pointer points to member functions of the Student class).
- 1. Write a function called displayCodes to receive the pointer of the first element of the array and the numberof elements in the array.Call the function displayCodes from the main function. 2. Write a function called displayLocations to receive a pointer to the address of the first element of the arrayand the number of elements in the array. Display the number of each item and their location in a morereadable format in columns as shown in the screen shot below.Call the function displayLocations from the main function.Address of Array//Write the output of each cout statement.//Assume the size of ints to be 4 bytes.//Assume the size of pointers to ints to be 8 bytes.int main() {int a[3][3]={{1,2,3},{4,5,6},{7,8,9}};cout << sizeof(a) << endl: //1: ___________________________cout << sizeof(a+0) << endl: //2: _____________________________cout << sizeof(*(a+0)) << endl: //3: _____________________________cout << sizeof(**a) << endl; //4: ____________________________cout << sizeof(&a) << endl; //5: _____________________________Assume the address of "a" is 0x7ffee2fef9e0cout << a + 1 << endl; //6: ________________________________________cout << *a + 1 << endl; //7: ________________________________________cout << **a + 1 << endl; //8: _______________________________________cout << &a << endl; //9: __________________________________________cout << &a + 1 << endl; //10:…C++ code NB: Pointers must be used
