Constructors and Bank Program in C++

Multiple Constructors

      

         #include

          #include

          class s

          int a,b,c;

public:

s()

{

a=1;

b=2;

c=3;

}

s(int x,int y, int z)

{

a=x;

b=y;

c=z;

}

void print()

{

cout<""<

}

};

void main();

{

clrscr();

s k1,k2,k3;

sk4(7,8,9);

k1.print();

k2.print();

k3.print();

k4.print();

getch();

}

Output

        

          1        2        3

          1        2        3

          7        8        9

Copy Constructor

        

          #include

          #include

class k

{

float m,n;

public:

k(float x, float y)

m=x;

n=y;

}

k(k&obj)

{

m=obj.m;

n=obj.n;

}

void display()

{

cout<<""<

}

};

void main()

{

clrscr();

k one(2.3,5.6);

k two(one);

k three(4.3,7.6);

k four(three);

one.display();

          two.display();

three.display();

four.display();

getch();

}

Output

         

          2.3     5.6    

          2.3     5.6

          4.3     7.6

          4.3     7.6

Bank Program

#include

#include

#include

class depositor

{

char deponame[30],actype[20];

int accno,dep;

double balance;

public:

depositor()

{

strcpy(deponame,’\0’)

balance=0;

}

void getdata()

{

cout<<"\t\t\tICICI Bank";

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

cout<<"\n Name of the depositor: ";

cin>>deponame;

cout<<"\n Account Number    : ";

cin>>accno;

cout<<"\n Type of Account     : ";

cin>>actype;

cout<<"\n Deposit amount      : ";

cin>>dep;

balance=balance+dep;

}

void display()

{

cout<<"\n\t Balance Details: ";

cout<<"\n\t ==========================================";

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

}

void withdraw()

{

double wdraw;

cout<<"\n\nEnter withdraw amount : ";

cin>>wdraw;

if(wdraw>balance)

{

cout<<"\n Not enough balance ………withdraw not possible";

}

else

{

balance=balance-wdraw;

}

}

};

void main()

{

depositor d1;

clrscr();

d1.getdata();

d1.display();

d1.withdraw();

d1.display();

getch();

}

Output

ICICI Bank

======================================================

Name of the depositor   :         Aruna

Account Number           :         9457220012

Type of Account            :         Savings

Deposit Amount            :         7000

                   Balance Details

======================================================

Aruna                                      7000

======================================================

Enter withdraw amount :         4000

          Balance Details    :

======================================================

Aruna                                      3000

======================================================