Programs on Data Types

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In this chapter we'll discuss some programs that will help you understand the concept of data types in C and C++.

Data types

#include<iostream>
#include<cstdio>
#include<string>
 
using namespace std;
 
 int main() 
 { 
      int num1 = 100 ;

      char num2 = 'a' ; 

      char num3 = 'A';

      float num4 = 10.235;

      string num5 = "Hoven Training Center";

     double num6 = 23455.09;
 
      cout << " intger number is -- > " << num1 << endl;
 
      cout << " Character is --> " << num2 << endl;
 
      cout << " Single Character cap --> " << num3 << endl;
 
     cout << " float number is -- > " << num4 << endl;
     
     cout << " String is --> " << num5 << endl;
    
    cout << " Double takes float value of higher precision " << num6 << endl;

    cout << " bool takes true or false value " ;
     
     return 0; 
}
 

sizeof operator

#include<iostream>
#include<cstdio>

using namespace std; 
 
int main( ) 
 
{ 
         
     cout << "Size of int in bytes = " << sizeof(int) << endl; 

     cout << "Size of char in bytes = " << sizeof(char) << endl;

     cout << "Size of float in bytes = " << sizeof(float) << endl;

     cout << "Size of double bytes = " << sizeof(double) << endl;
         
     return 0 ;
}

Keywords

auto double if static 
break else int struct 
case enum long switch
char extern near typedef
const float register union
continue far return unsigned 
default for short void 
do goto signed while 

#include<iostream>
#include<cstdio>

using namespace std; 
 
 
int main () 
{ 
     cout << " auto \t double \t if \t static \n";
     
     cout << " break \t else \t int \t struct \n";
     
     cout << " case \t enum \t long \t switch \n" ;
     
     printf(" char \t extern \t near \t typedef \n ");
     
     return 0 ;
 
 }

Simple interest

#include<iostream>
#include<cstdio>

using namespace std; 
 
int main() 
{ 
    
     int pri, time;
     
     float rate, simpleIn;
     
     pri = 2000;
     
     time = 5;        
         
     rate = 4.6F;
     
     simpleIn = (pri*time*rate)/100;
     
     cout << "simple interest is = " << simpleIn << endl;
     
     return 0 ; 
     
}

Calculate average

#include<iostream>
#include<cstdio>

using namespace std; 
 
int main() 
{ 
      float num1, num2, num3, num4 ,num5 ;
      
      float average;
      
      cout << "Enter first no = " ;
      
      cin >> num1;
     
      cout << "Enter Second no = " ;
      
      cin >> num2;
      
      cout << "Enter third no = " ;
      
      cin >> num3;
      
      cout << "Enter forth no = " ;
      
      cin >> num4;
      
      cout << "Enter fifth no = ";
      
      cin >> num5;
      
     average = (num1+ num2 + num3 + num4 + num5) / 5;
     
     cout << "Average of 5 number is = " << average << ;endl;
                 
      return 0 ;
      
}

Display values using datatypes

#include<iostream>
#include<cstdio>
 
using namespace std; 
 
int main() 
{ 
 
 int integer = 25025;
 
 float decimal = 6.02301f;
 
 char character = 'a' ;
 
 double exponent = 6.23e-19;
 
 string word = "Hoven Trainings";
 
 cout << "integer is = " << integer << endl;
 
 cout << "float is = " << decimal << endl;
 
 cout << "character is = " << character << endl;
 
 cout << "double is = " << exponent << endl;
     
 cout << "string is = " << word << endl;
 
}

Volume of cylinder

#include<iostream>
#include<cstdio>
 
using namespace std; 
 
int main() 
{ 
    int r, b, h;
    
    r = 3; h = 5;
    
    b = 3.14 * r * r * h;
    
    printf("Volume is = %d",b);
    
    return 0 ;
 
}

Use of chars datatype

#include<iostream>
#include<cstdio>
 
using namespace std;
 
int main()
{ 
 
     char k1 = 'H'; 
     
     char k2 = 'o';
     
     char k3 = 'v';
     
     char k4 = 'e';
     
     char k5 = 'n';
     
     printf(" %c%c%c%c%c ", k1, k2, k3, k4, k5);
     
     return 0; 
        
}

Use of string datatype

#include<iostream>
#include<cstdio>
#include<string>
 
using namespace std;
 
int main()
{ 
 
    string k1 = "H O V E N T R A I N I N G S";
    
    cout << k1 ;
     
    return 0; 
        
}

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Screenshots

Installation

Supported Operating Systems

These videos can be run on 32-bit as well as 64-bit versions of the Microsoft Windows Operating Systems. Windows XP and all later OS are supported. If you want to run it on Windows XP and Windows Vista, then you must also have the .NET Framework Version 3.5 installed on your machines. Those users who have Windows 7 and later donot have to worry because these operating systems already have the .NET Framework installed on them.

Download Links

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