Null pointer:

When the address of pointer is set to “0” or when a pointer variable does not hold anything it is called as null pointers.

Example:

Consider a pointer variable of ...

Expert Solution & Answer

Want to see the full answer?

Check out a sample textbook solution

See solution

Chapter 10.10, Problem 10.14CP

Chapter 10.10, Problem 10.16CP

Students have asked these similar questions

Define the term " null pointer " .

2. What is null pointer?

What is a way to safely dereference a pointer?

Chapter 10 Solutions

Starting Out with C++: Early Objects (9th Edition)

Ch. 10.5 - Prob. 10.1CP Ch. 10.5 - Write a statement defining a variable dPtr. The...Ch. 10.5 - List three uses of the symbol in C++.Ch. 10.5 - What is the output of the following program?...Ch. 10.5 - Rewrite the following loop so it uses pointer...Ch. 10.5 - Prob. 10.6CP Ch. 10.5 - Assume pint is a pointer variable. For each of the...Ch. 10.5 - For each of the following variable definitions,...Ch. 10.10 - Assuming array is an array of ints, which of the...Ch. 10.10 - Give an example of the proper way to call the...

Ch. 10.10 - Complete the following program skeleton. When...Ch. 10.10 - Look at the following array definition: const int...Ch. 10.10 - Assume ip is a pointer to an int. Write a...Ch. 10.10 - Assume ip is a pointer to an int. Write a...Ch. 10.10 - Prob. 10.15CP Ch. 10.10 - Prob. 10.16CP Ch. 10.10 - Prob. 10.17CP Ch. 10.12 - Prob. 10.18CP Ch. 10.12 - Assume the following structure declaration exists...Ch. 10.12 - Prob. 10.20CP Ch. 10 - Each byte in memory is assigned a unique _____Ch. 10 - The _____ operator can be used to determine a...Ch. 10 - Prob. 3RQE Ch. 10 - The _____ operator can be used to work with the...Ch. 10 - Prob. 5RQE Ch. 10 - Creating variables while a program is running is...Ch. 10 - Prob. 7RQE Ch. 10 - If the new operator cannot allocate the amount of...Ch. 10 - Prob. 9RQE Ch. 10 - When a program is finished with a chunk of...Ch. 10 - You should only use the delete operator to...Ch. 10 - What does the indirection operator do?Ch. 10 - Look at the following code. int X = 7; int ptr =...Ch. 10 - Name two different uses for the C++ operator.Ch. 10 - Prob. 15RQE Ch. 10 - Prob. 16RQE Ch. 10 - Prob. 17RQE Ch. 10 - What is the purpose of the new operator?Ch. 10 - What happens when a program uses the new operator...Ch. 10 - Prob. 20RQE Ch. 10 - Prob. 21RQE Ch. 10 - Prob. 22RQE Ch. 10 - Prob. 23RQE Ch. 10 - Prob. 24RQE Ch. 10 - Prob. 25RQE Ch. 10 - Prob. 26RQE Ch. 10 - What happens when a unique_ptr that is managing an...Ch. 10 - What does the get ( ) method of the unique_ptr...Ch. 10 - Prob. 29RQE Ch. 10 - Prob. 30RQE Ch. 10 - Prob. 31RQE Ch. 10 - Prob. 32RQE Ch. 10 - Consider the function void change(int p) { P = 20;...Ch. 10 - Prob. 34RQE Ch. 10 - Write a function whose prototype is void...Ch. 10 - Write a function void switchEnds(int array, int...Ch. 10 - Given the variable initializations int a[5] = {0,...Ch. 10 - Each of the following declarations and program...Ch. 10 - Prob. 39RQE Ch. 10 - Test Scores #1 Write a program that dynamically...Ch. 10 - Test Scores #2 Modify the program of Programming...Ch. 10 - Indirect Sorting Through Pointers #1 Consider a...Ch. 10 - Indirect Sorting Through Pointers #2 Write a...Ch. 10 - Pie a la Mode In statistics the mode of a set of...Ch. 10 - Median Function In statistics the median of a set...Ch. 10 - Movie Statistics Write a program that can be used...Ch. 10 - Days in Current Month Write a program that can...Ch. 10 - Age Write a program that asks for the users name...Ch. 10 - Prob. 10PC

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Null pointer: When the address of pointer is set to “0” or when a pointer variable does not hold anything it is called as null pointers. Example: Consider a pointer variable of ...

Solution Summary: The author explains that when the address of a pointer is set to "0", or when he or she does not hold anything, it is called null pointers.

Concept explainers

Explanation of Solution

Null pointer: When the address of pointer is set to “0” or when a pointer variable does not hold anything it is called as null pointers. Example: Consider a pointer variable of ...

Want to see the full answer?

Chapter 10 Solutions

Null pointer:

When the address of pointer is set to “0” or when a pointer variable does not hold anything it is called as null pointers.

Example:

Consider a pointer variable of ...