How do I use the increment (++) and decrement (--) operators in C++?

Asked by Last Modified  

Follow 3
Answer

Please enter your answer

Experienced Computer trainer having worked in IT sector for 20 years.

the increment operator ++ increases the value of a variable by 1. Similarly, the decrement operator -- decreases the value of a variable by 1. However, there is an important difference when these two operators are used as a prefix and a postfix.
Comments

IT Professional Trainer with 12 years of experience in IT Industry

Here's how you use the increment (++) and decrement (--) operators in C++: Increment operator: The increment operator (++) increases the value of a variable by 1. Syntax:variable++ Example:int a = 10;a++; // Now a = 11 Decrement operator: The decrement operator (--) decreases the value of a variable...
read more
Here's how you use the increment (++) and decrement (--) operators in C++: Increment operator: The increment operator (++) increases the value of a variable by 1. Syntax:variable++ Example:int a = 10;a++; // Now a = 11 Decrement operator: The decrement operator (--) decreases the value of a variable by 1. Syntax:variable-- Example:int a = 10;a--; // Now a = 9 The increment and decrement operators can be used in a variety of ways, such as in for loops, while loops, and conditional statements. They can also be used to modify the values of variables. read less
Comments

Related Questions

How I can make gui graphics by c++ ? tell me the library of c++ regarding to gui.
There are many libraries available. For ease, you can start with graphics.h, allegro, ncurses, sdl, and opengl. If you need help, feel free to contact me.
Ariyan
How to create my profile as technology(c++ programming) teacher?
C++ is not a pure OO language by any standards. It is extremely complex and confusing to a beginner to understand it properly. If you know C, you may find the syntax easier -- but if you want to learn...
Nilesh
What is a C++ identifier?
The C++ identifier is a name used to identify a variable, function, class, module, or any other user-defined item. An identifier starts with a letter A to Z or a to z or an underscore (_) followed by zero...
T.v.
0 0
6
Is it possible to write big safe programs in C++?
yes. C++ is generally used to write system software. For example windows operating system are writeen in C++. Most of the operating system, device driver and antivirus programs are written by using C++.
Sapna
0 0
6
What are the toughest topics in C language?
1. pointer 2. dynamic memory allocation 3. File handling
Lokayya
0 0
5

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Difference Of Inheritance In C++ And Java
In Java , multiple inheritance is not applicable directly but we can implement the concept by using the interfaces. In c++ and Java, the common types of inheritances are: Single Multi level Hybrid Hierarchical

Polymorphism and Virtual Functions
Polymorphism and Virtual Functions Compile Time Polymorphism or Early Binding or Static Binding An object is bound to its function call at compile time. Implemented using overloaded functions and...

Static and dynamic libraries
A library is a package of code that is meant to be reused by many programs. A static library (also known as an archive) consists of routines that are compiled and linked directly into your program. When...

C++ Program-Working with constant using const keyword
//Header files #include<iostream.h>#include<conio.h> //Main function void main(){ //using const keyword to declare constants with a specific type const int len=10; const int br=5; const...

My first C++ program
# include using namespace std; int main() { cout<<"Welcome to C++"; return 0; } Use IDE such as CodeBlocks to run this program. To do this, open CodeBlocks, Goto File->New->Empty File. Copy...

Recommended Articles

Introduction C++ is an excellent programming language and many of the applications are written in C++ language. It has generic, object-oriented & imperative programming features, and also provides facilities for low-level memory manipulation. Successor of C language, it is an OOP (object oriented programming) language...

Read full article >

Business Process outsourcing (BPO) services can be considered as a kind of outsourcing which involves subletting of specific functions associated with any business to a third party service provider. BPO is usually administered as a cost-saving procedure for functions which an organization needs but does not rely upon to...

Read full article >

Whether it was the Internet Era of 90s or the Big Data Era of today, Information Technology (IT) has given birth to several lucrative career options for many. Though there will not be a “significant" increase in demand for IT professionals in 2014 as compared to 2013, a “steady” demand for IT professionals is rest assured...

Read full article >

Applications engineering is a hot trend in the current IT market.  An applications engineer is responsible for designing and application of technology products relating to various aspects of computing. To accomplish this, he/she has to work collaboratively with the company’s manufacturing, marketing, sales, and customer...

Read full article >

Looking for C++ Language Classes?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you