he following program with struct student, which has name and age. There is a pointer to struct student *ptr, but does not assign a value to it. Then, there is a print statement for ptr->age.  1. Why does an error occur when the program is run?

Q: Pointers Consider the following program: int a - 3; int main(void) int *b = &a; a- 4; int a = 6; int…

A: Integer is in variable d just before main returns

Q: are these two statements equivalent  ptr -> name ( *ptr ).name

A: are these two statements equivalent  ptr -> name ( *ptr ).name

Q: c++, write a function countletters that counts the number of times a particular letter occurs in an…

A: please upvote for my efforts!   anwer: #include <bits/stdc++.h>using namespace std;int…

Q: C++: Describe how the following call by reference works. Make a comment for each line.   void…

A: Call by Reference: Original value is changed in call by reference, since we transfer reference…

Q: 5. pointers, structs and arrays Given the definition struct Animal { char * species; int age; }; and…

A: Given: Goal: We have to describe in words about the above three struct declarations

Q: b[2] A. int В. ВОХ x.n a[2].a C. pointer to pointer to char p.n D. char x.args[3] E. int pointer v…

A: The question is on match the correct option.

Q: Is there any similarity between a reference and a pointer

A: Contrary to the majority of other programming languages, such as Java, Python, Ruby, Perl, and PHP,…

Q: ++ Struct Pointers Help: I have a file called names.txt. Write a program that reads each line and…

A: Please find the answer below :

Q: When should a pointer parameter p be a reference parameter? Group of answer choices When the…

A: We need to select the correct choice of when should a pointer parameter p be a reference parameter.

Q: Pointers There follows a program with headers omitted. However, a question mark needs to be replaced…

A: According to the information given:- We have to find out the value of ? on the basic of output we…

Q: If integer pointer aPtr is to point at a data item whose value may not change it must be declared as…

A: (option C: int *const aPtr) is correct.

Q: What is the difference between a reference and a pointer?

A: Question. What is the difference between a reference and a pointer? Answer. The differences between…

Q: When an array is passed as a parameter to a method, modifying the elements of the array from inside…

A: In Step 2, I have  provided  correct  answer . For more understanding , I have  provided  a java…

Q: Create an Organization class. Organization has 10 Employees (Hint: You will need an array of…

A: The terms array and pointer are also used interchangeably.  The name of an array is treated as a…

Q: C# application that will allow users to enter values store all the expenses on that month in an…

A: Answer is given below-

Q: In C++ struct myGrades { string class; char grade; };   Declare  myGrades as an array that…

A: The problem is based on the basics of structures in C++ programming language. NOTE: The name of a…

Q: Pointers and references are fully equivalent  True  False

A: Given: Pointers and references are fully equivalent  True  False

Q: Declare a student structure that contains : Student's first and last nameStudent IDCreate the…

A: Program: //include the header files #include <stdio.h> #include <stdlib.h>…

Array

The simplest way to start thinking about an array is as a collection, or a set of elements. In programming, these elements may be constants, variables, functions and pointers.