Explain the changing field width, C/C++ Programming

Assignment Help:

Changing Field width

The printf() and scanf() functions from the standard library, use width specifier for controlling the width of its output . Similarly, the ostream class also has a member function width() for the same. This function has the following prototype.

                int width(void);

                int width(int newsize);

The first form returns the current field width. The default is always zero. That is because, the cout object always uses space just wide enough to output the values and a default size if zero matches all. The second form can be used to alter the current width setting. The argument passed to it is the new width to be set. It also returns the previous width. The width () function affects only the next item displayed. The filed width reverts to default afterwards.

e.g.

                void main()

                 {

                                cout<<" default width="<< cout.width()<

                                cout<<"[";

                                cout.width(10);                                 Set width to 10

                                cout<<"A";

                                cout<<"]";

                }

 


Related Discussions:- Explain the changing field width

Stack, Implement multiple stacks in a single dimensional array. Write algor...

Implement multiple stacks in a single dimensional array. Write algorithms for various stack operations for them.

C program for change the case in title case, #include stdio.h> #include ...

#include stdio.h> #include conio.h> #include ctype.h> #include string.h>   void main() {           int i=0,j=0,length;           char a[30];           cl

201 it, overload assignment opertor to assign the data of one object to ant...

overload assignment opertor to assign the data of one object to anthor

Poker room auto seat program, Poker Room auto seat program Project Descr...

Poker Room auto seat program Project Description: I want a script for an online poker site. It requires to be scanning all the available tables and when the table meets certa

Prepare an application in c# or c++, Prepare an Application in C# or C++ ...

Prepare an Application in C# or C++ Project Description: We are seeking someone who can write a program in C# or C++. The idea is to prepare the program using a Cross Plat

Explain string constants in c language - escape sequences, Explain string c...

Explain string constants in c language - Escape Sequences? Illustrations are "945", "hello", "well done", "5+3". The character constant (example 'x') isn't equivalent to the st

Define array of structures, Define Array of Structures? An Array of Str...

Define Array of Structures? An Array of Structures is an assortment of the same data types which are declared as structures. It is useful to store large and different number of

C++ multiplayer game programming project, C++ Multiplayer Game Programming ...

C++ Multiplayer Game Programming Project Project Description: We are seeking an experienced C++ Game Programmer to enhance clientside related aspects of MCS: Mars City Securi

Buffer overflow, Can you help me with a C++ project?

Can you help me with a C++ project?

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd