Showing posts with label #cpp #program #code #coding. Show all posts
Showing posts with label #cpp #program #code #coding. Show all posts
Wednesday, 29 July 2026
Tuesday, 8 October 2024
Journal Program 20
/*
Definition : Construct a class Month with data members as Month
number.Write down overloaded operator++ for the
increment the Month number by one.
Write a member function read() and display() to read
a number of Month and print a number of Month.
Input:
Enter Month number : 8
Output:
Next Month number is : 9
Input:
Enter Month number : 12
Output:
Next Month number is : 1
*/
#include<iostream.h>
#include<conio.h>
class Month
{
int mno;
public:
void getData()
{
cout<<"\nEnter valid month number : ";
cin>>mno;
}
void operator ++()
{
mno++;
if(mno>12)
mno=1;
}
void putData()
{
cout<<"\nNext month is : "<<mno;
}
};
int main()
{
clrscr();
Month m;
m.getData();
m.operator ++(); //m++ or ++m
m.putData();
getch();
return 0;
}
Journal Program 5
/*
Def: WAP to build a class MyArray having integer array as
a data member and following member fuctions:
(a)getData() : To get n values for integer array
(b)sort_asc() : To sort an array in ascending order
(c)sort_desc() : To sort an array in descending order
(d)putData() : To print all values
Write a menu driven program for sorting either ascending
and descending order and also for exit from a program.
Tut Date:
Lab Date:
*/
#include<iostream.h>
#include<conio.h>
#include<stdio.h>
#include<process.h>
class MyArray
{
int a[10];
int i,j,n,temp;
public:
void getData();
void sort_asc();
void sort_des();
void putData();
};
void MyArray::getData()
{
cout<<"Enter no of total elements(Maximum 10) : ";
cin>>n;
for(i=0;i<n;i++)
{
cout<<"a["<<i<<"]=";
cin>>a[i];
}
}
void MyArray::sort_asc()
{
for(i=0;i<n;i++)
{
for(j=0;j<n-1;j++)
{
if(a[j]>a[j+1])
{
temp=a[j];
a[j]=a[j+1];
a[j+1]=temp;
}
}
}
}
void MyArray::sort_des()
{
for(i=0;i<n;i++)
{
for(j=0;j<n-1;j++)
{
if(a[j]<a[j+1])
{
temp=a[j];
a[j]=a[j+1];
a[j+1]=temp;
}
}
}
}
void MyArray::putData()
{
for(i=0;i<n;i++)
{
cout<<"\n a["<<i<<"]="<<a[i];
}
}
int main()
{
clrscr();
MyArray m;
int choice;
char ch;
m.getData();
do
{
cout<<"\n 1:Ascending Order";
cout<<"\n 2:Descending Order";
cout<<"\n 3:Exit";
cout<<"\n Enter your choice=";
cin>>choice;
switch(choice)
{
case 1:
m.sort_asc();
m.putData();
break;
case 2:
m.sort_des();
m.putData();
break;
case 3:
exit(0);
break;
default:
cout<<"\n Invalid choice";
}
cout<<"\n Do you want to cont...";
cin>>ch;
}while(ch=='y'||ch=='Y');
return 0;
}
Journal PRogram 4
/*
Def : WAP to build a class Student,which accept student number,
name and marks of 3 subjects.Calculate total and
percentage using different member fuction and display
all information.
Tut Date:
Lab Date:
*/
#include<iostream.h>
#include<conio.h>
#include<stdio.h>
class Student
{
int rno,m1,m2,m3,total;
float per;
char name[20];
public :
void getData()
{
cout<<"\n Enter roll number : ";
cin>>rno;
cout<<"\n Enter student name : ";
flushall();
gets(name);
cout<<"\n Enter marks of subject1 : ";
cin>>m1;
cout<<"\n Enter marks of subject2 : ";
cin>>m2;
cout<<"\n Enter marks of subject3 : ";
cin>>m3;
}
void calculate();
void printData();
};
void Student::calculate()
{
total=m1+m2+m3;
per=total/3.0;
}
void Student::printData()
{
cout<<"\n\t\t STUDENT DETAILS ";
cout<<"\n======================================";
cout<<"\n Roll Number : "<<rno;
cout<<"\n Student Name : "<<name;
cout<<"\n Marks of Subject1 : "<<m1;
cout<<"\n Marks of Subject2 : "<<m2;
cout<<"\n Marks of Subject3 : "<<m3;
cout<<"\n Total Marks : "<<total;
cout.precision(2);
cout<<"\n Percentage : "<<per;
cout<<"\n======================================";
}
int main()
{
clrscr();
Student s;
s.getData();
s.calculate();
s.printData();
getch();
return 0;
}
Journal Program 3
/*
Def : WAP to build a class Person,which contain person name,age
and city as data members and getData() and printData()
as memeber functions to read and print person data.
Tut Date:
Lab Date:
*/
#include<iostream.h>
#include<conio.h>
#include<stdio.h>
class Person
{
int age;
char name[20],city[20];
public :
void getData()
{
cout<<"\n Enter person name : ";
flushall();
gets(name);
cout<<"\n Enter person age : ";
cin>>age;
cout<<"\n Enter city name : ";
flushall();
gets(city);
}
void printData();
};
void Person::printData()
{
cout<<"\n\t\t PERSON DETAILS ";
cout<<"\n======================================";
cout<<"\n Person Name : "<<name;
cout<<"\n Person Age : "<<age;
cout<<"\n City Name : "<<city;
cout<<"\n======================================";
}
int main()
{
clrscr();
Person p;
p.getData();
p.printData();
getch();
return 0;
}
WAP to create a class Employee and declare empno,name, salary and city as data memebers.
/*
Def : WAP to create a class Employee and declare empno,name,
salary and city as data memebers.Accept data from user and
print them for n employees using concept of Array of objects.
Tut. Date :
Lab Date :
*/
#include<iostream.h>
#include<conio.h>
#include<stdio.h>
class Employee
{
private:
int empno,salary; // Data memebers
char name[20],city[20];
public:
void getData(); // member functions
void putData();
};
void Employee:: getData()
{
cout<<"\n Enter employee number : ";
cin>>empno;
cout<<"\n Enter employee name : ";
flushall();
gets(name);
cout<<"\n Enter employee salary : ";
cin>>salary;
cout<<"\n Enter employee city : ";
flushall();
gets(city);
}
void Employee::putData()
{
cout<<"\n Employee Number : "<<empno;
cout<<"\n Employee Name : "<<name;
cout<<"\n Employee Salary : "<<salary;
cout<<"\n Employee City : "<<city;
}
int main()
{
int n,i;
clrscr();
Employee emp[10];
cout<<"\n Enter the no of employee (Maximum 10) : ";
cin>>n;
for(i=0;i<n;i++)
{
cout<<"\n Enter employee "<<(i+1)<<" details : ";
cout<<"\n==========================================";
emp[i].getData();
cout<<"\n==========================================";
}
cout<<"\n\n";
for(i=0;i<n;i++)
{
cout<<"\n Employee "<<(i+1)<<" details : ";
cout<<"\n==========================================";
emp[i].putData();
cout<<"\n==========================================";
}
getch();
return 0;
}
JOurnal - 19
/*
Definition :Write a C++ program for overloading
a function volume() to calculate the
volume of cube, cylinder and a rectangular
box. Where volume of
Cube=a*a*a
Cylinder= 3.14*r*h
Rectangular box=l*b*h
Tut. Date :
Lab Date :
*/
#include<iostream.h>
#include<conio.h>
class Vol
{
public:
void volume(int a)
{
cout<<endl<<"Volume of Cube : "<<a*a*a;
}
void volume(int r,int h)
{
cout<<endl<<"Volume of Cylinder : "<<3.14*r*h;
}
void volume(int l,int b, int h)
{
cout<<endl<<"Volume of Rectangle : "<<l*b*h;
}
};
int main()
{
clrscr();
Vol v;
int a,r,l,b,h;
cout<<"Enter a : ";
cin>>a;
cout<<"Enter r : ";
cin>>r;
cout<<"Enter h : ";
cin>>h;
cout<<"Enter l : ";
cin>>l;
cout<<"Enter b : ";
cin>>b;
v.volume(a);
v.volume(r,h);
v.volume(l,b,h);
getch();
return 0;
}
Build a class String. Use overloaded operator to combine two string.
/*
Definition : Build a class String. Use overloaded operator + to
combine two string.
*/
#include<iostream.h>
#include<conio.h>
#include<string.h>
class String
{
char str[100];
public:
void getData()
{
cout<<"\n Enter String : ";
cin>>str;
}
void operator +(String s2)
{
int i,len1,len2;
len1=strlen(str);
len2=strlen(s2.str);
for(i=0;i<len2;i++)
{
str[len1]=s2.str[i];
len1=len1+1;
}
str[len1]='\0';
}
void putdata()
{
cout<<"\n Concated String is : "<<str;
}
};
int main()
{
clrscr();
String s1,s2;
s1.getData();
s2.getData();
s1+s2; //s2+s1; or s1.operator +(s2);
s1.putdata();
getch();
return 0;
}
Construct a class Time with data members as hours, minute and second. Implement constructors, overloaded constructors and destructors for the same.
/*
Definition : Construct a class Time with data members as hours, minute and
second. Implement constructors, overloaded constructors and destructors for
the same. Implement a overloaded operator ++ which will increment the time
by one second. Write a function display() to print hours, minute and second.
Assume that 24 hours clock.
Tutorial Date :
Lab Date :
*/
#include<iostream.h>
#include<conio.h>
class Time
{
int hh,mm,ss;
public:
Time()
{
hh=0;
mm=0;
ss=0;
}
Time(int h,int m,int s)
{
hh=h;
mm=m;
ss=s;
}
void operator ++()
{
ss++;
if(ss>=60)
{
mm=mm+(ss/60);
ss=ss%60;
}
if(mm>=60)
{
hh=hh+(mm/60);
mm=mm%60;
}
if(hh>=24)
{
hh=0;
mm=0;
ss=0;
}
cout<<hh<<":"<<mm<<":"<<ss;
}
~Time()
{
hh=NULL;
mm=NULL;
ss=NULL;
}
};
int main()
{
int h,m,s;
clrscr();
Time t;
cout<<"Enter hour:";
cin>>h;
cout<<"Enter minute:";
cin>>m;
cout<<"Enter second:";
cin>>s;
t=Time(h,m,s);
t.operator++();//t++
getch();
return 0;
}
Construct a class Calendar with data members as date, month and year. Implement constructors, overloaded constructors and destructors for the same.
/*
Definition : Construct a class Calendar with data members as date, month
and year. Implement constructors, overloaded constructors and destructors
for the same. Write down overloaded operator ++ that will increment the
date by one and print new date, month and year.
e.g. if date is 31/7/2005 then output : tomorrow is 1/8/2005
Tutorial Date :
Lab Date :
*/
#include<iostream.h>
#include<conio.h>
class Calendar
{
int dd,mm,yy;
public:
Calendar()
{
dd=0;
mm=0;
yy=0;
}
Calendar(int d,int m,int y)
{
dd=d;
mm=m;
yy=y;
}
void operator ++()
{
dd++;
if(dd>31)
{
mm++;
dd=1;
}
if(mm>12)
{
yy++;
mm=1;
}
cout<<dd<<"/"<<mm<<"/"<<yy;
}
~Calendar()
{
dd=NULL;
mm=NULL;
yy=NULL;
}
};
int main()
{
int d,m,y;
clrscr();
Calendar c;
cout<<"Enter date:";
cin>>d;
cout<<"Enter month:";
cin>>m;
cout<<"Enter year:";
cin>>y;
c=Calendar(d,m,y);
c.operator++();//c++;
getch();
return 0;
}
Monday, 30 September 2024
Journal Program 13
#include<iostream.h>
#include<conio.h>
class Cricketer
{
int age,tmatch,trun,twicket;
char name[20],country[20],type[10];
public:
void getData()
{
cout<<"Enter name=";
cin>>name;
cout<<"Enter age=";
cin>>age;
cout<<"Enter country=";
cin>>country;
cout<<"Enter type(Bat/Bow)=";
cin>>type;
cout<<"Enter total matches=";
cin>>tmatch;
cout<<"Enter total runs=";
cin>>trun;
cout<<"Enter total wickets=";
cin>>twicket;
}
void putData()
{
cout<<endl<<"Name="<<name;
cout<<endl<<"Age="<<age;
cout<<endl<<"Country="<<country;
cout<<endl<<"Type="<<type;
cout<<endl<<"Total Matches="<<tmatch;
cout<<endl<<"Total Runs="<<trun;
cout<<endl<<"Total Wickets="<<twicket;
}
};
int main()
{
clrscr();
Cricketer c[5];
int i;
cout<<"Enter total cricketers = ";
cin>>n;
for(i=0;i<n;i++)
{
c[i].getData();
}
for(i=0;i<n;i++)
{
c[i].putData();
}
getch();
return 0;
}
Journal Program 11
#include<iostream.h>
#include<conio.h>
#include<stdio.h>
#include<process.h>
class Factorial
{
int i,fact,n;
public:
Factorial()
{
cout<<"\n Enter value of n : ";
cin>>n;
}
void for_fact()
{
fact=1;
for(i=1;i<=n;i++)
{
fact=fact * i;
}
cout<<"\n "<<n<<"! = "<<fact;
}
void do_fact()
{
fact=1;
i=1;
do
{
fact = fact * i;
i++;
}while(i<=n);
cout<<"\n "<<n<<"! = "<<fact;
}
void while_fact()
{
fact=1;
i=1;
while(i<=n)
{
fact=fact*i;
i++;
}
cout<<"\n "<<n<<"! = "<<fact;
}
};
int main()
{
clrscr();
int choice;
char ch;
Factorial obj1;
do
{
cout<<endl<<"1:Factorial using For Loop ";
cout<<endl<<"2:Factorial using Do..While Loop ";
cout<<endl<<"3:Factorial using While Loop ";
cout<<endl<<"4:Exit";
cout<<endl<<"\nEnter your choice=";
cin>>choice;
switch(choice)
{
case 1:
obj1.for_fact();
break;
case 2:
obj1.do_fact();
break;
case 3:
obj1.while_fact();
break;
case 4:
exit(0);
break;
default:
cout<<endl<<"Invalid choice";
}
cout<<"\nDo you want to cont...";
cin>>ch;
}while(ch=='y'||ch=='Y');
return 0;
}
Journal Program 7
#include<iostream.h>
#include<conio.h>
#include<string.h>
#include<process.h>
#include<ctype.h>
class String
{
char str[100];
public:
void getData()
{
cout<<"Enter string : ";
cin>>str;
}
void strlen1()
{
int len;
len=strlen(str);
cout<<"\nLength of "<<str<< " is "<<len;
}
void strrev1()
{
cout<<"\nReverse of "<<str<<" is :"<<strrev(str);
}
void strupr1()
{
cout<<"\nUpper Case of string is ="<<strupr(str);
}
void strlwr1()
{
cout<<"\nLower Case of string is ="<<strlwr(str);
}
};
int main()
{
clrscr();
int choice;
char ch;
String s;
s.getData();
do
{
cout<<endl<<"1:Reverse String";
cout<<endl<<"2:Convert the string in Uppercase";
cout<<endl<<"3:Convert the string in Lowercase";
cout<<endl<<"4:String Length";
cout<<endl<<"5:Exit";
cout<<endl<<"\nEnter your choice=";
cin>>choice;
switch(choice)
{
case 1:
s.strrev1();
break;
case 2:
s.strupr1();
break;
case 3:
s.strlwr1();
break;
case 4:
s.strlen1();
break;
case 5: exit(0);
break;
default:
cout<<endl<<"Invalid choice";
}
cout<<"\nDo you want to cont...";
cin>>ch;
}while(ch=='y'||ch=='Y');
return 0;
}
Journal PRogram 6
#include<iostream.h>
#include<conio.h>
#include<string.h>
#include<process.h>
class String
{
char str1[100],str2[100];
public:
void getData()
{
cout<<"Enter first string : ";
cin>>str1;
cout<<"Enter second string : ";
cin>>str2;
}
void strlen1()
{
int len1,len2;
len1=strlen(str1);
len2=strlen(str2);
cout<<"\nLength of "<<str1<< " is "<<len1;
cout<<"\nLength of "<<str2<< " is "<<len2;
}
void strcpy1()
{
cout<<"\nAfter Copy String2 in to String1 :";
strcpy(str1,str2);
cout<<"\nString 1 ="<<str1;
}
void strcat1()
{
strcat(str1,str2);
cout<<"\nConcated String is ="<<str1;
}
void strcmp1()
{
if(strcmp(str1,str2)==0)
cout<<"\nTwo Strings are equal";
else
cout<<"\nTwo Strings are not equal";
}
};
int main()
{
clrscr();
int choice;
char ch;
String s;
s.getData();
do
{
cout<<endl<<"1:String Length";
cout<<endl<<"2:Copy in another string";
cout<<endl<<"3:To combine two string";
cout<<endl<<"4:To compare two strings";
cout<<endl<<"5:Exit";
cout<<endl<<"\nEnter your choice=";
cin>>choice;
switch(choice)
{
case 1:
s.strlen1();
break;
case 2:
s.strcpy1();
break;
case 3:
s.strcat1();
break;
case 4:
s.strcmp1();
break;
case 5: exit(0);
break;
default:
cout<<endl<<"Invalid choice";
}
cout<<"\nDo you want to cont...";
cin>>ch;
}while(ch=='y'||ch=='Y');
return 0;
}
Journal Program 10
#include<iostream.h>
#include<conio.h>
class Swap
{
public:
int a,b;
float x,y;
Swap(int m,int n)
{
a=m;
b=n;
cout<<"\n Before interchange :";
cout<<"\n Value of a : "<<a;
cout<<"\n Value of b : "<<b;
a=a+b;
b=a-b;
a=a-b;
cout<<"\n After interchange :";
cout<<"\n Value of a : "<<a;
cout<<"\n Value of b : "<<b;
}
Swap(float j,float k)
{
x=j;
y=k;
cout<<"\n Before interchange :";
cout<<"\n Value of x : "<<x;
cout<<"\n Value of y : "<<y;
x=x+y;
y=x-y;
x=x-y;
cout<<"\n After interchange :";
cout<<"\n Value of x : "<<x;
cout<<"\n Value of y : "<<y;
}
};
int main()
{
clrscr();
Swap s1(10,20);
Swap s2(3.14f,4.13f);
getch();
return 0;
}
Journal Program 9
#include<iostream.h>
#include<conio.h>
#include<stdio.h>
#include<process.h>
class OddEven
{
public:
int sum,n;
OddEven()
{
cout<<"\n Enter value of n : ";
cin>>n;
}
void oddSum()
{
int i,count=0,sum=0;
for(i=1;count<n;i=i+2)
{
count++;
cout<<i<<" + ";
sum=sum+i;
}
cout<<"\b\b\b";
cout<<" = "<<sum;
}
void evenSum()
{
int i,count=0,sum=0;
for(i=0;count<n;i=i+2)
{
count++;
cout<<i<<" + ";
sum=sum+i;
}
cout<<"\b\b\b";
cout<<" = "<<sum;
}
};
int main()
{
clrscr();
int choice;
char ch;
OddEven obj1;
do
{
cout<<endl<<"1:Sum of first "<<obj1.n<<" odd numbers ";
cout<<endl<<"2:Sum of first "<<obj1.n<<" even numbers ";
cout<<endl<<"3:Exit";
cout<<endl<<"\nEnter your choice=";
cin>>choice;
switch(choice)
{
case 1:
obj1.oddSum();
break;
case 2:
obj1.evenSum();
break;
case 3:
exit(0);
break;
default:
cout<<endl<<"Invalid choice";
}
cout<<"\nDo you want to cont...";
cin>>ch;
}while(ch=='y'||ch=='Y');
return 0;
}
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