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Write a C/C++ program for displaying today's date by using structure.

Updated on November 2, 2008

Thnigs you need

  • computer
  • programming basic
  • compiler

It's a simple program to start learning structure in C/C++. This program will display today's date. Suppose today's date is 30.10.2008. So, the output of the program will be 30.10.2008.

This program is done into two ways. First program is an static initialization. In the second part (name as "Extra") the program is done by collecting values from the user. 

Code of the program

#include<iostream.h>

// declaration of structure
struct date{
	int day;
	int month;
	int year;
};

int main(){
	
	// object definition
	date today;

	// initialization of members
	today.day = 30;
	today.month = 10;
	today.year = 2008;
	// printing 
	cout << "A program for displaying today's information";
	cout << endl << endl;
	
        cout << "Today's date: ";
	cout << today.day << ".";
	cout << today.month << ".";
	cout << today.year << endl;
	
        cin.get();
	return 0;
}

Output of the program

Output of the above code segment
Output of the above code segment

Discussion of the above code segment

Here 3 data (day, month and year) can be grouped together to form a structure. This group is named as "date". Definition of the "date" structure is done by the following lines: 

// declaration of structure
struct date{
	int day;
	int month;
	int year;
};

Day, month and year - all of them are the members of this structure.

In the "main()" function, the structure object is defined. It looks:

date today;

Later, the members are initialized. Initialization looks:

today.day = 30;
today.month = 10;
today.year = 2008;

At last, the information is displayed by using the "cout".  There is "return 0" at the end of the program because here main is integer type. 

Extra

Members in an structure can be initialized without statically. The above program is implemented in anther way. Here, all the values are initialized by the user. No static initialization. The user will provide all the information and then it will display the entered information. 

Modified version of the above program

#include<iostream.h>

// declearation of structure
struct date{
	int day;
	int month;
	int year;
};
int main(){
	
	// object defination
	date today;

	cout << "A program for displaying today's information";
	cout << endl;

	// collecting values from the user
	cout << "Day  :"; 	cin >> today.day;
	cout << "Month:";   cin >> today.month;
	cout << "Year :";   cin >> today.year;
	cin.get();
	return 0;
}

Output of the above code segment

The Output of the above program
The Output of the above program

Put your opinion

Is this simple program easy to understand?

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Comments

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    • profile image

      atul 

      7 years ago

      only good for struct novice,

      in none of the statement system date or current date will print what'er input is given it will print the same

    • profile image

      S.Dhivya  

      8 years ago

      its really useful . thank u.

    • nicomp profile image

      nicomp really 

      8 years ago from Ohio, USA

      Thank you for the helpful tutorial. Good info on structures and date manipulation.

    • platinumOwl4 profile image

      platinumOwl4 

      8 years ago

      OK, this is great information for a novice to programming. However, what type of program would allow my computer to say " Welcome Master" when I turn it own and my desktop is loaded. Let's become fans of one another I mad about that brains of your. You have knowledge I need. They "say a fan in need is a fan indeed"

    • profile image

      Shimna 

      8 years ago

      Thank u

      Very useful...

    • rancidTaste profile imageAUTHOR

      rancidTaste 

      9 years ago

      Thanks for your comment

    • quicksand profile image

      quicksand 

      9 years ago

      You've got some great hubs. Very useful too. Thanks. :)

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