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Term paper on banking system in c language with source code

SYSTEM REQUIRMENTS

Operating system:       MS Windows XP or Windows Vista

Language: C Language

Processor: Pentium IV Processor

RAM: 512 MB

Hard disk: 5 GB

 REQUIREMENT ANALYSIS

This process is adopted when management of the system development, Personnel decide that the particular system needs improvement. The system development life cycle is the set of activities, carried out by the analyst, designers and users to develop and implement a system. The systems that are present in the nature follow common life cycle pattern. For example consider the raining system. Initially the rain falls into the river, river flows into sea, the sea water evaporates to form vapors, the vapors form clouds which again bring rain. Similarly consider a man made system initially a system is analyzed, designed and made operational by the efforts of system analysis. After successful operation or a number of users, the system becomes less and less effective by change in the environment. So these changes have to be incorporated in to the system by minor modifications. So the general activities from the life cycle of the system are given below:

  • Select ion and identification of the system to be studied
  • Preliminary study
  • Defining the system
  • Design and development of the system
  • Implementation of the system

SYSTEM DESIGN

 Then we began with the design phase of the system. System design is a solution, a "HOW TO” approach to the creation of a new system. It translates system requirements into ways by which they can be made operational. It is a translational from a user oriented document to a document oriented programmers. For that, it provides the understanding and procedural details necessary for the implementation. Here we use Flowchart to supplement the working of the new system. The system thus made should be reliable, durable and above all should have least possible maintenance costs. It should overcome all the drawbacks of the Old existing system and most important of all meet the user requirements.

 SOURCE  CODE:

# include <stdio.h>

# include <conio.h>

# include <string.h>

# include <stdlib.h>//library header file

int dmenu(); //main menu

void dadd(); //add to list

void dfind(); //search from the list

void dedit(); //edit the record

void ddel(); //delete from the list

void ddisp(); //display all

void ddisp1();//display1

void ddisp2();//display2

void dwith();

void ddepo();

void dcurrent_with();

void dcurrent_depo();

void deposit();

void withdrawal();

    struct dnode {

    int num,bal,check;

    char dlname[20], dfname[20], dtel[15];

    struct dnode *dnext;

};

typedef struct dnode node;

node *dstart, *dtemp;

int i=5000,chk=1,j=15000;

int dmenu()

    {

    int dch;

            gotoxy(30,5);

            printf(" BANKING DATABASE ");

    gotoxy(30,6);

    printf(" ================ ");

    gotoxy(3,24);

            gotoxy(27,10);

            printf(" 1. Create a new account");

            gotoxy(27,11);

            printf(" 2. Search customer details");

            gotoxy(27,12);

            printf(" 3. Edit customer details");

            gotoxy(27,13);

            printf(" 4. Delete a customer");

            gotoxy(27,14);

            printf(" 5. Display all account holders ");

            gotoxy(27,15);

            printf(" 6. Deposit money");

            gotoxy(27,16);

            printf(" 7. Withdrawal money");

            gotoxy(27,17);

            printf(" 8. Balance Enquiry");

            gotoxy(27,18);

            printf(" 9. Exit ");

            gotoxy(27,21);

            printf(" Enter your choice(1-9):");

            gotoxy(55,21);

            scanf("%d", &dch);

    return dch;

}

void dadd()

{

int type;

node *dptr,*dprev;

dtemp=(node *)malloc(sizeof(node));

printf("\nWhich type of account you want to create?\n1->Savings\n2->Current\nenter

 your choice : ");

scanf("%d",&type);

if(type==1)

{

do{

printf("\nYour Account No:");

dtemp->num=i;

printf("%d",dtemp->num);

i++;

}while(i>10000);

printf("\nFirst name: ");

scanf("%s", dtemp->dfname);

printf("Last name:");

scanf("%s", dtemp->dlname);

printf("Telephone No.: ");

scanf("%s", dtemp->dtel);

a:

printf("Deposit Sum:");

scanf("%d",&dtemp->bal);

if(dtemp->bal<500)

{

printf("INSUFFICIENT FUND-Need a minimum of Rs.500/- to open an account\n");

goto a;

}

dtemp->dnext=NULL;

if(dstart==NULL) dstart=dtemp;

else {

dprev=dptr=dstart;

while(strcmp(dtemp->dfname,dptr->dfname)>0){

dprev=dptr;

dptr= dptr->dnext;

if (dptr == NULL) break;

}

if(dptr==dprev) {

dtemp->dnext=dstart;

dstart=dtemp;

}

else if(dptr==NULL)

dprev->dnext=dtemp;

else {

dtemp->dnext=dptr;

dprev->dnext=dtemp;

}

}

ddisp1();

}

else if(type==2)

{

do{

printf("\nYour Account No:");

dtemp->num=j;

printf("%d",dtemp->num);

j++;

}while(j>20000);

printf("\nFirst name: ");

scanf("%s", dtemp->dfname);

printf("Last name:");

scanf("%s", dtemp->dlname);

printf("Telephone No.: ");

scanf("%s", dtemp->dtel);

m:

printf("Deposit Sum:");

scanf("%d",&dtemp->bal);

if(dtemp->bal<500)

{

printf("INSUFFICIENT FUND-Need a minimum of Rs.500/- to open an account\n");

goto m;

}

dtemp->dnext=NULL;

if(dstart==NULL) dstart=dtemp;

else {

dprev=dptr=dstart;

while(strcmp(dtemp->dfname,dptr->dfname)>0){

dprev=dptr;

dptr= dptr->dnext;

if (dptr == NULL) break;

}

if(dptr==dprev) {

dtemp->dnext=dstart;

dstart=dtemp;

}

else if(dptr==NULL)

dprev->dnext=dtemp;

else {

dtemp->dnext=dptr;

dprev->dnext=dtemp;

}

}

printf("Your provided Cheque nos.%d to %d",chk,chk+19);

ddisp2();

}

}

void dfind()

{

node *dptr;

int no,num;

if(dstart==NULL) {

printf("\n\t\t\tNO ACCOUNT DATABASE....\n");

getch();

return;

}

printf("Enter the account No : ");

scanf("%d",&no);

dptr=dstart;

while(dptr->num!=no)

{

dptr= dptr->dnext;

if (dptr == NULL) break;

}

if(dptr!=NULL)

{

if(dptr->num>=5000 && dptr->num<10000)

{

printf("\t\t------------------------------\n");

if(dptr->num==no)

{

printf("\n\t\tHELLO %s WELCOME TO OUR BANK", dptr->dlname);

printf("\n\t\tYou are a SAVINGS account holder of our bank");

printf("\n\t\tAccount number: %d",dptr->num);

printf("\n\t\tFirst name: %s", dptr->dfname);

printf("\n\t\tLast name:%s", dptr->dlname);

printf("\n\t\tTelephone No.: %s", dptr->dtel);

printf("\n\t\tYour Balance: %d",dptr->bal);

printf("\n\t\t------------------------------\n");

}

}

else{

printf("\n\n");

printf("\t\t------------------------------\n");

if(dptr->num==no)

{

printf("\n\t\tHELLO %s WELCOME TO OUR BANK", dptr->dlname);

printf("\n\t\tYou are a CURRENT account holder of our bank");

printf("\n\t\tAccount number: %d",dptr->num);

printf("\n\t\tFirst name: %s", dptr->dfname);

printf("\n\t\tLast name:%s", dptr->dlname);

printf("\n\t\tTelephone No.: %s", dptr->dtel);

printf("\n\t\tYour Balance: %d",dptr->bal);

chk=1;

printf("\n\t\tCheque nos:%d to %d",chk,chk+19);

printf("\n\t\t------------------------------\n");

}

}

}

else

{

printf("No Matching Records Found .......\n");

}

getch();

}

void deposit()

{

int no;

node *dptr,*dprev;

if(dstart==NULL) {

printf("\n\t\t\tNO ACCOUNT DATABASE....\n");

getch();

return;

}

printf("Enter your account no : ");

scanf("%d",&no);

dptr=dstart;

while(dptr->num!=no)

{

dptr= dptr->dnext;

if (dptr == NULL) break;

}

if(dptr!=NULL){

if(dptr->num>=5000 && dptr->num<10000)

{

ddepo();

}

else

{

 dcurrent_depo();

 }

 }

else {

printf("\nNo Matching Records Found .......");

}

getch();

}

void ddepo()

{

node *dptr;

int bal;

printf("\t\t\n-----------------------------------------------\n");

printf("\n\t\tHELLO %s WELCOME TO OUR BANK", dptr->dlname);

printf("\nAccount No:%d \n",dptr->num);

printf("First Name : %s\n",dptr->dfname);

printf("Last Name : %s\n",dptr->dlname);

printf("Phone Number : %s\n",dptr->dtel);

printf("Your Balance : %d\n",dptr->bal);

printf("Deposit Amount:");

scanf("%d",&bal);

dptr->bal+=bal;

printf("Your New balance:%d",dptr->bal);

getch();

}

void dcurrent_depo()

{

node *dptr;

int bal,ch;

printf("\t\t\n-----------------------------------------------\n");

printf("\n\t\tHELLO %s WELCOME TO OUR BANK", dptr->dlname);

printf("\nAccount No:%d \n",dptr->num);

printf("First Name : %s\n",dptr->dfname);

printf("Last Name : %s\n",dptr->dlname);

printf("Phone Number : %s\n",dptr->dtel);

printf("Your Balance : %d\n",dptr->bal);

printf("\nHow do you wish to deposit?\n1->cash\n2->cheque\nEnter your choice : ");

scanf("%d",&ch);

if(ch==1)

{

printf("Deposit Amount:");

scanf("%d",&bal);

dptr->bal+=bal;

printf("Your New balance:%d",dptr->bal);

}

else if(ch==2)

{

do{

printf("\nYour Check No:");

dtemp->check=chk;

printf("%d\n",dtemp->check);

chk++;

}while(chk>21);

printf("Deposit Amount:");

scanf("%d",&bal);

dptr->bal+=bal;

printf("Your New balance:%d",dptr->bal);

}

getch();

}

void withdrawal()

{

node *dptr;

int no;

if(dstart==NULL) {

printf("\n\t\t\tNO ACCOUNT DATABASE....\n");

getch();

return;

}

printf("Enter the account No : ");

scanf("%d",&no);

dptr=dstart;

while(dptr->num!=no){

dptr= dptr->dnext;

if (dptr == NULL) break;

}

if(dptr!=NULL)

{

if(dptr->num>=5000 && dptr->num<10000)

{

dwith();

}

else

{

 dcurrent_with();

 }

}

else {

printf("No Matching Records Found .......\n");

}

getch();

}

void dwith()

{

node *dptr;

int bal;

printf("\t\t\n-----------------------------------------------\n");

printf("\n\t\tHELLO %s WELCOME TO OUR BANK", dptr->dlname);

printf("\nAccount No:%d \n",dptr->num);

printf("First Name : %s\n",dptr->dfname);

printf("Last Name : %s\n",dptr->dlname);

printf("Phone Number : %s\n",dptr->dtel);

printf("Your Balance : %d\n",dptr->bal);

b:

printf("Withdrawal Amount:");

scanf("%d",&bal);

if((dptr->bal-bal)<500)

{

printf("INSUFFICIENT FUND-A minimum of Rs.500/- should be maintained\n");

goto b;

}

dptr->bal-=bal;

printf("Your New balance:%d",dptr->bal);

getch();

}

void dcurrent_with()

{

node *dptr;

int no,bal,ch;

printf("\t\t\n-----------------------------------------------\n");

printf("\n\t\tHELLO %s WELCOME TO OUR BANK", dptr->dlname);

printf("\nAccount No:%d \n",dptr->num);

printf("First Name : %s\n",dptr->dfname);

printf("Last Name : %s\n",dptr->dlname);

printf("Phone Number : %s\n",dptr->dtel);

printf("Your Balance : %d\n",dptr->bal);

printf("\nHow do you wish to deposit?\n1->cash\n2->cheque\nEnter your choice : ");

scanf("%d",&ch);

if(ch==1)

{

b:

printf("Withdrawal Amount:");

scanf("%d",&bal);

if((dptr->bal-bal)<500)

{

printf("INSUFFICIENT FUND-A minimum of Rs.500/- should be maintained\n");

goto b;

}

dptr->bal-=bal;

printf("Your New balance:%d",dptr->bal);

}

else if(ch==2)

{

do{

printf("\nYour Check No:");

dtemp->check=chk;

printf("%d\n",dtemp->check);

chk++;

}while(chk>21);

c:

printf("Withdrawal Amount:");

scanf("%d",&bal);

if((dptr->bal-bal)<500)

{

printf("INSUFFICIENT FUND-Need a minimum of Rs.500/- to open an account\n");

goto c;

}

dptr->bal-=bal;

printf("Your New balance:%d",dptr->bal);

}

getch();

}

void dedit()

{

node *dptr;

int no,bal;

if(dstart==NULL) {

printf("\n\t\t\tNO ACCOUNT DATABASE....\n");

getch();

return;

}

printf("Enter number to Edit : ");

scanf("%d",&no);

dptr=dstart;

while(dptr->num!=no){

dptr= dptr->dnext;

if (dptr == NULL) break;

}

if(dptr!=NULL) {

printf("\t\t\n-----------------------------------------------\n");

printf("\n\t\tHELLO %s WELCOME TO OUR BANK", dptr->dlname);

printf("\nOld First Name : %s", dptr->dfname);

printf("\nNew First Name : ");

scanf("%s", dptr->dfname);

printf("\nOld Last Name : %s", dptr->dlname);

printf("\nNew Last Name : ");

scanf("%s", dptr->dlname);

printf("\nPhone Number : %s", dptr->dtel);

printf("\nNew Phone Number : ");

scanf("%s", dptr->dtel);

printf("\nOld Balance : %d", dptr->bal);

m:

printf("\nNew Balance : ");

scanf("%d", &bal);

if(bal<500)

{

printf("INSUFFICIENT FUND-A minimum of Rs.500/- should be maintained\n");

goto m;

}

dptr->bal=bal;

}

else {

printf("No Matching Records Found .......\n");

}

getch();

}

void ddel()

{

node *dptr,*dprev,*dtemp;

int no;

char dyn='n';

if(dstart==NULL) {

printf("\n\t\t\tNO ACCOUNT DATABASE....\n");

getch();

return;

}

printf("Enter your account no to delete : ");

scanf("%d",&no);

dprev=dptr=dstart;

while(dptr->num!=no){

dprev=dptr;

dptr= dptr->dnext;

if (dptr == NULL) break;

}

if(dptr!=NULL){

printf("\nDeleting Record.....Confirm [y/n]: ");

dyn=getch();

printf("\n\n---------------------------------------------------------");

printf("\n\t\tHELLO %s WELCOME TO OUR BANK", dptr->dlname);

printf("\nAccount No : %d\n",dptr->num);

printf("First Name : %s\n",dptr->dfname);

printf("Last Name : %s\n",dptr->dlname);

printf("Phone Number : %s\n",dptr->dtel);

printf("Balance : %d\n",dptr->bal);

printf("---------------------------------------------------------");

if(dyn=='y') {

if (dptr==dstart) {

dtemp=dstart->dnext;

free(dstart);

dstart=dtemp;

}

else {

dtemp=dptr->dnext;

free(dptr);

dprev->dnext=dtemp;

}

printf("\n\n1 Record Deleted....");

}

else

printf("\n\nRecord not Deleted....");

}

else {

printf("\nNo Matching Records Found .......");

}

getch();

}

void ddisp()

{

node *dptr;

if(dstart==NULL) {

printf("\n\t\t\tNO ACCOUNT DATABASE....\n");

getch();

return;

}

clrscr();

printf("\t\t------------------------------\n");

for(dptr=dstart; dptr!=NULL; dptr=dptr->dnext) {

printf("\n\t\tHELLO %s WELCOME TO OUR BANK", dptr->dlname);

printf("\n\t\tAccount number: %d",dptr->num);

printf("\n\t\tFirst name: %s", dptr->dfname);

printf("\n\t\tLast name:%s", dptr->dlname);

printf("\n\t\tTelephone No.: %s", dptr->dtel);

printf("\n\t\tYour Balance: %d",dptr->bal);

printf("\n\t\t------------------------------\n");

}

getch();

}

void ddisp1()

{

printf("\n\n");

printf("\t\t------------------------------\n");

printf("\n\t\tHELLO %s WELCOME TO OUR BANK", dtemp->dlname);

printf("\n\t\tYou are a SAVINGS account holder of our bank");

printf("\n\t\tAccount number: %d",dtemp->num);

printf("\n\t\tFirst name: %s", dtemp->dfname);

printf("\n\t\tLast name:%s", dtemp->dlname);

printf("\n\t\tTelephone No.: %s", dtemp->dtel);

printf("\n\t\tYour Balance: %d",dtemp->bal);

printf("\n\t\t------------------------------\n");

getch();

}

void ddisp2()

{

printf("\n\n");

printf("\t\t------------------------------\n");

printf("\n\t\tHELLO %s WELCOME TO OUR BANK", dtemp->dlname);

printf("\n\t\tYou are a CURRENT account holder of our bank");

printf("\n\t\tAccount number: %d",dtemp->num);

printf("\n\t\tFirst name: %s", dtemp->dfname);

printf("\n\t\tLast name:%s", dtemp->dlname);

printf("\n\t\tTelephone No.: %s", dtemp->dtel);

printf("\n\t\tYour Balance: %d",dtemp->bal);

chk=1;

printf("\n\t\tCheque nos:%d to %d",chk,chk+19);

printf("\n\t\t------------------------------\n");

getch();

}

void main()

{

int dch;

dstart=(node *)malloc(sizeof(node));

dstart=NULL;

do{

clrscr();

dch=dmenu();

clrscr();

switch(dch) {

case 1: dadd();

break;

case 2: dfind();

break;

case 3: dedit();

break;

case 4: ddel();

break;

case 5:

ddisp();

break;

case 6:

deposit();

break;

case 7:

withdrawal();

break;

case 8:

dfind();

break;

}

}while(dch!=9);

}

TESTING

 Testing is the major control measure used during software development. Its basic function is to detect errors in the software. During requirement analysis and design, the output is a document that is usually textual and no executable. After the coding phase, computer programs are available that can be executed for testing purpose. This implies that testing not only, has to uncover errors introduced during coding, but also errors introduced during previous phase. Thus the goal of testing is to uncover the requirements, design and coding errors in the programs. So after testing the outputs of my project are as follows:

ONE TYPE OF OUTPUT:-      

                              BANKING DATABASE

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

                           1. Create a new account

                           2. Search customer details

                           3. Edit customer details

                           4. Delete a customer

                           5. Display all account holders

                           6. Deposit money

                           7. Withdrawal money

                           8. Balance Enquiry

                           9. Exit

           Enter your choice(1-9):    1

Which type of account you want to create?

1->Savings

2->Current

enter your choice : 1

 

Your Account No:5001

First name: AKSHI

Last name:SHARMA

Telephone No.: 2251678

Deposit Sum:400

INSUFFICIENT FUND-Need a minimum of Rs.500/- to open an account

Deposit Sum:1000

 

 

                ------------------------------

 

                HELLO SHARMA WELCOME TO OUR BANK

                You are a SAVINGS account holder of our bank

                Account number: 5001

                First name: AKSHI

                Last name:SHARMA

                Telephone No.: 2251678

                Your Balance: 1000

                ------------------------------

                           

SECOND TYPE OF OUTPUT:-

 

                              BANKING DATABASE

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

 

 

 

                           1. Create a new account

                           2. Search customer details

                           3. Edit customer details

                           4. Delete a customer

                           5. Display all account holders

                           6. Deposit money

                           7. Withdrawal money

                           8. Balance Enquiry

                           9. Exit

 

 

                           Enter your choice(1-9):   7

 

Enter the account No : 5001

 

-----------------------------------------------

 

                HELLO SHARMA WELCOME TO OUR BANK

Account No:5001

First Name : AKSHI

Last Name : SHARMA

Phone Number : 2251678

Your Balance : 1000

Withdrawal Amount:300

Your New balance:700

 

 

comments (3)

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