Program Of Get Manipulator In C++

#include<iostream.h>

#include<conio.h>

 main()

 {

 clrscr();

 const int max=40;

 char str[max];

 cout<<"\n enter string=";

 cin.get(str,max);

 cout<<"string is="<<str;

 getch();

 }

Program Of And, comma(,) , Relational(>) Operator In C++

#include<iostream.h>

#include<conio.h>

main()

{

clrscr();

int a,b,c;

cout<<"Enter a,b,c";

cin>>a>>b>>c;

if(a>b && a>c)

{

cout<<"\n a is Greater";

}

if(b>c && b>a)

{

cout<<"\n b is Greater";

}

if(c>a && c>b)

{

cout<<"\n c is Greater";

}

getch();

}

Program Of Increament and Decreament, Uniary Operator In C++

#include<iostream.h>

#include<conio.h>

main()

{

clrscr();

int a,b,c,d,e,f;

a=10;

                           b=++a;         //a=11 , b=11

                           c=a--;           //c=11 , a=10

                       d=--a;           //a=9 , d=9 

                       e=--a;           //e=8 , a=8

                       f=a++;         // a=8 , f=9

        

cout<<"\n a="<<a;

        

cout<<"\n b="<<b;

       

 cout<<"\n c="<<c;

       

 cout<<"\n d="<<d;

       

 cout<<"\n e="<<e;

      

 cout<<"\n f="<<f;

  

 getch();

}

Program Of Unary Operator Overloading In C++

#include<iostream.h>
#include<conio.h>
 

class box
 

{
 

    private:
 

    int a;
 

    public:
  

  void getdata(int x)
 

    {
 

      a= x;   
 

    }
  

  void operator ++()
 

    {
 

    a++;
 

    }
 

    void display()
 

    {
     

 cout<<"\n a="<<a;   
 

    }
 

}
 

main()
 

{
 

clrscr();
 

box b1;
 

int x;
 

cout<<"Enter x=";
 

cin>>x;
 

b1.getdata(x);
 

++b1;
 

++b1;
 

++b1;
 

++b1;
 

b1.display();
 

getch();
 

}

Program Of Reverse String In C++

#include<iostream.h>
#include<conio.h>
#include<stdio.h>
 

void reverse(char a[20]);
 

main()
 

{
 

clrscr();
 

char x[20];
 

int l;
 

//cout<<"Enter String=";
 

//cin>>x;
 

puts("Enter string=");
 

gets(x);
 

reverse(x);
 

getch();
 

}
 

void reverse(char a[20]) 

{
 

int p=0,i;
 

for(i=0;a[i]!='\0';i++)
 

{
 

p++;
 

}
 

for(i=p;i>=0;i--)
 

{
 

cout<<a[i];
 

}
 

}

Program Of Sub String In C++

#include<iostream.h>
#include<conio.h>
#include<stdio.h>
 

void substr(char a[20]);
 

main()
 

 {
 

clrscr(); 

char x[20];
 

int l; 

puts("Enter string=");
 

gets(x);
 

substr(x);
 

getch();
 

}
 

void substr(char a[20]) 

{
 

int beg,end,i;
 

cout<<"Enter Beging & Ending Number=";
 

cin>>beg>>end;
 

for(i=beg;i<=end;i++)
 

{
 

cout<<a[i];
 

}
 

}

Program Of GET PUT Function In C

#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
#include<string.h>
 

main()
 

{
 

clrscr();
 

FILE *f1,*f2,*f3;
 

int i,a,m,n;
 

printf("Enter No. Of Char");
 

scanf("%d",&m);
 

printf("\n Contens Of Main File=");
 

f1=fopen("Main","w"); 

for(i=1;i<=m;i++)
 

{
 

scanf("%d",&n);
 

if(n==-1)
 

break;
 

putw(n,f1);
 

}
 

fclose(f1);
 

f1=fopen("Main","r");
 

f2=fopen("ODD","w");
 

f3=fopen("EVEN","w");
 

a=getw(f1);
 

while(a!=EOF)
 

{
 

if(a%2==0)
 

{
 

putw(a,f3);
 

}
 

else
 

{
putw(a,f2);
 

}
 

a=getw(f1);
 

} 

fclose(f1);
 

fclose(f2);
 

fclose(f3);
 

f2=fopen("ODD","r");
 

f3=fopen("EVEN","r");
 

printf("Content of ODD File \n");
 

while(a=getw(f2)!=EOF) 

{
 

printf("%d\n",a);
 

}
 

printf("Content Of Even File\n ");
 

while(a=getw(f3)!=EOF)
 

{
 

printf("%d\n",a);
 

}
 

fclose(f2);
 

fclose(f3);
 

getch();
 

}

Program Of Write Arguments From Memory In C

#include  <stdio.h>

#include <conio.h>
 

void   main(argc, argv)
  

 int  argc;                   
 

   char *argv[];               
 

   {
   

    FILE   *fp;
      

 int  i;
     

  char word[15];

       

fp = fopen(argv[1], "w");
    

   printf("\nNo. of arguments in Command line = %d\n\n",argc);
    

   for(i = 2; i < argc; i++)
    

  fprintf(fp,"%s ", argv[i]);
   

    fclose(fp);

    Writing Content Of The File To Screen 

       printf("Contents of %s file\n\n", argv[1]);
     

  fp = fopen(argv[1], "r");
       

for(i = 2; i < argc; i++)
 

       {
   

   fscanf(fp,"%s", word);
     

 printf("%s ", word);
       }

      

 fclose(fp);
      

 printf("\n\n");

     Writing the Arguments From Memory

       for(i = 0; i < argc; i++)
     

 printf("%*s \n", i*5,argv[i]);
    

  getch();
   }

Reading Data From Command Line

 Reading Data From Command Line

#include  <stdio.h>
 

#include <conio.h>
 

void   main(argc, argv)
 

                                     int  argc;            /*   argument count */
                        

                                   char *argv[];        /* list of arguments */
 

   {
      

 FILE   *fp;
  

     int  i;
      

 char word[15];
     

       fp = fopen(argv[1], "w"); /* open file with name argv[1] */
   

    printf("\nNo. of arguments in Command line = %d\n\n",argc);
 

       for(i = 2; i < argc; i++)
    

          fprintf(fp,"%s ", argv[i]);      /* write to file argv[1]  */
       

fclose(fp);

 

    getch();
   }

Program Of Append Records Using C

Coding Of Append Records Using c

#include<stdio.h>
 

#include<conio.h>
 

   struct invent_record
 

   {
    

   char   name[10];
   

    int    number;
  

     float  price;
   

    int    quantity;
 

   };
 

 void main()
 

   {
  

     struct invent_record item;
   

    char  filename[10];
    

   int   response; 

       FILE  *fp;
 

       long  n;
   

    void append (struct invent_record *x, FILE *y);
 

      printf("Type filename:");
 

      scanf("%s", filename);
    

   fp = fopen(filename, "a+");
 

       do
 

       {
 

      append(&item, fp);
    

  printf("\nItem %s appended.\n",item.name);
     

 printf("\nDo you want to add another item\        (1 for YES /0 for NO)?");
    

  scanf("%d", &response);
 

       } 

 while (response == 1);
    

   fseek(fp,0,SEEK_END);
 

       n=ftell(fp);
 

       fclose(fp);
    

   fp = fopen(filename, "r");
 

  while(ftell(fp) < n)
 

       {
    

  fscanf(fp,"%s %d %f %d",
      item.name, &item.number, &item.price, &item.quantity); 

     

 fprintf(stdout,"%-8s %7d %8.2f %8d\n",
    

  item.name, item.number, item.price, item.quantity);
 

       }
   

    fclose(fp);
 

  getch();
 

   }
 

 

Program Of Data Entry Or Add Records Using C

#include<stdio.h> 

#include<conio.h>
 

 #include<stdlib.h>
 

#include<string.h>
 

struct emp
 

{
 

char name[40];
 
int age;
 
float bs;
 
};
 
main()
 
{
 
clrscr();
 
FILE *fp;
 

struct emp e;
 

char s[80];
 

char another='y';
 

fp=fopen("Employee.txt","w");
 

if(fp==NULL)
 

{
 

printf("Can't Open File");
 

exit(1);
 

}
 

printf("\n File  TEXT Is=");
 

printf("\n");
 

while(another=='y')
{
 

printf("\n Enter Name,AGE,Basic salary");
 

scanf("%s",e.name);
 

scanf("%d",&e.age);
 

scanf("%f",&e.bs);
 

fprintf(fp,"%s%d%f",e.name,e.age,e.bs);
 

printf("Add Another Record(y/n)");
 

fflush(stdin);
 

another=getche();
 

}
 

fclose(fp);
 

getch();
 

}

Program Of Palindrom In C++

#include<iostream.h>

#include<conio.h>

main()

{

clrscr();

int a,b,c,d,e,f;

cout<<"enter number=";

cin>>a;

b=a/10;

c=a%10;

d=b/10;

e=b%10;

f=c*100+e*10+d*1;

if(f==a)

 {

 cout<<"\n palindrom";

 }

else

 {

 cout<<"\n not palindrom";

 }

 getch();

 }

Program Of Swap Two Numbers With Class

#include<iostream.h>

#include<conio.h>

class swap

{

private:

int a,b;

public:

void getdata(int x,int y)

{

a=x;

b=y;

}

void display()

{

int c;

c=a;

a=b;

b=c;

cout<<"\n first mumber="<<a;

cout<<"\n second number="<<b;

}

};

main()

{

clrscr();

swap s1;

int p,q;

cout<<" enter first mumber=";

cin>>p;

cout<<"enter second mumber=";

cin>>q;

s1.getdata(p,q);

s1.display();

getch();

}