State whether the following are true or false. If the answer is false, explain why.a) A pointer that’s declared to be void can be dereferenced.
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State whether the following are true or false. If the answer is false, explain why.
a) A pointer that’s declared to be void can be dereferenced.
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Solved in 2 steps
- **The solution must be using pointer ** withoutState whether the following are true or false. If false, explain why. a) Two pointers that point to different arrays cannot be compared meaningfully.The following describes the difference between void and NULL pointers: Make proper use of examples to bolster your argument.
- .“Dangling and wild pointers are known to be problems with pointers”. Justify the given statement with the helpof suitable exampleMinutes(using Pointers) by Catherine Arellano Write a program that will accept an integer value from 0000 to 2359. It will then extract the first 2 values of the integer to be the hours, and the last 2 to be the minutes. Implement the following functions: void extracts(int* time, int* hour, int* min); /* extract the hours and minutes from the time and stores the result to the address of hour and min respectively.*/ void display (int* hour, int* min); /*display the hours and minutes*/ Note: You are not allowed to edit main.c and Time.h. Input A time in format HHMM 1430 Output Hours and minutes Hour: 14 Minutes: 30 main.c Time.h 1 #include 2 #include "Time.h" 3 int main(void) { M456909 7 8 } int time, hour, min; scanf("%d",&time); extracts (time, &hour, &min); display (&hour, &min); return 0;The following is the difference between void and NULL pointers: Use relevant examples to back up your statement.
- 3- It is not possible to change the value of the pointer. (True or False). 4- If the following lines of code have errors, correct them; otherwise, write "no errors." for (int i=2; i<5; i++) { int s=1*2; } cout << s; 5- A function cannot be called from inside another function. (True or False). 6- How to make a function return multiple values? 7- Every class member is by default. (public, private, not public nor private) 8- Create an instance of the following class and call its methods. class Exam{ int grade; public: void seta (int b) (grade=b; } int geta () {return grade; } 9- When the word const is put before the variable definition, what does that mean? 10- How to concatenate two strings in C++ language? C++[In c#] Write a class with name Arrays . This class has an array which should be initialized by user.Write a method Sum that should sum even numbers in array and return sum. write a function with name numFind in this class with working logic as to find the mid number of an array. After finding this number calculate its factorial.Write function that should display sum and factorial.Don’t use divide operatorAssignment: Write four different functions: a) void SelectionSort(Data *A, int N), where A is the array and N is number of data in the array. Data is the datatype, which you can declare first as a global declaration, by using typedef int Data; This helps by changing the datatype of the data to be sorted easily. b) int Min(Data *A, int start, int N); // this will retun the index min, for the smallest data from the data set A[start] to A[N-1] c) void InsertionSort(Data A, int N): d) void PrintArray(Data * A, int N); // when called this function will display all the data in the array A Also, write the driver function (i.e. the main), main should do the following: i) Declare the array dynamically, so that memory can be used efficiently. To declare an array dynamically, the following steps may be used: • Declare a pointer of type Data Data * A; • Declare number of data N, and read a value for N • Allocate memory A = new Data [N] ii) Prompt the user to enter N number of data, and store those…
- Pointer Activity You do not need getopt for this program as there are no arguments. Call the executable pointers. Create variables for a character, a string, an integer, and a floating point number. Create pointers for each of those variables. Ideally, use the same name as the variable but add a p in front of the name. (For example: (total and ptotal) Ask the user to enter information for each of these variables one at a time. For each variable tell them what they should enter. (For example: “Enter a single character” or “Enter a floating point number”) Read in the information and put it in the variables. Make each pointer point to the respective variable. Print out values for the four variables without using the variables themselves. Only use the pointers. In addition print out the addresses of the memory locations that each pointer points to. You can use %p for that. Output should look like the bottom sample. Copy and paste the code and the output into a Word document and submit.…program Credit Card Validator - Takes in a credit card number from a common credit card vendor (Visa, MasterCard, American Express, Discover) and validates it to make sure that it is a valid number (look into how credit cards use a checksum) - it's a C++ program so use #include <iostream> - And please use an array, use files, and use pointers in this program. -Exchange (swap) the values in x and y using pointers. You cannot assign to x or y. pointers.cpp 1 #include 2 #include 3 using namespace std; 4 5 int main() 6 { int x = 5; int y = 7; int *pl = &x; int *p2 = &y; 9 10 11 12 13 14 15 cout « "x->" « x « ", y->" « y « endl; 16