/* Banking System
java pogram
Save this file
bankdet.java/*
import
java.util.Scanner;
class bank
{
int ano;
String name;
float bal;
Scanner s=new Scanner(System.in);
void get()
{
System.out.println("Enter acnt
no:");
ano=s.nextInt();
System.out.println("Enter acnt
name:");
name=s.next();
System.out.println("Enter acnt
bal:");
bal=s.nextFloat();
}
void set()
{
System.out.println("acnt no
is:"+ano);
System.out.println("acnt name
is:"+name);
System.out.println("acnt
bal:"+bal);
}
}
class bankdet
{
public static void main(String cd[])
{
bank b[]=new bank[3];
Scanner s=new Scanner(System.in);
int i=0,j=0,chk,k,m=0,z=0,u=0;
while(true)
{
System.out.println("make
transaction");
System.out.println("1 open");
System.out.println("2 display");
System.out.println("3 search");
System.out.println("4 update");
System.out.println("5 delete");
System.out.println("6 exit");
int ch=s.nextInt();
switch(ch)
{
case 1:String str="";
{
do
{
b[i]=new bank();
b[i].get();
System.out.println("do u want to
more acnt?");
str=s.next();
i++;
}
while(str.equals("Y")||str.equals("y"));
break;
}
case 2:
{
for(j=0;j<i;j++)
{
b[j].set();
}
break;
}
case 3:String str1="";
{
System.out.println("enter acnt no
to be search:");
chk=s.nextInt();
do
{
if(b[z].ano==chk)
{
b[z].set();
}
System.out.println("do u want to
search more acnt?");
str1=s.next();
u++;
}
while(str1.equals("Y")||str1.equals("y"));
break;
}
case 4:String str2="";
{
System.out.println("enter acnt no
to be upadate:");
chk=s.nextInt();
do
{
if(b[u].ano==chk)
{
b[u].get();
}
System.out.println("do u want to
update more acnt?");
str2=s.next();
u++;
}
while(str2.equals("Y")||str2.equals("y"));
break;
}
case 5:String str3="";
{
System.out.println("enter acnt no
to be delete:");
k=s.nextInt();
do
{
if(b[m].ano==k)
{
b[m]=b[m+1];
}i--;
System.out.println("do u want to
delete more acnt?");
str3=s.next();
u++;
}
while(str3.equals("Y")||str3.equals("y"));
System.out.println("acnt is
deleted");
break;
}
case 6:
{
System.exit(0);
}
default:
{
System.out.println("invalid.....");
}
}
}
}
}
Run pogram :
11. Open cmd
22. Compile the pogram: javac
bankdet.java
33. Run pogram: java
bankdet