Java program to Implement Bank application | IT2305 - Java Programming Lab

AIM:
 To write a Java program to implement Bank application in IT2305 - Java Programming Laboratory.

SOURCE CODE:
import java.util.*;
class Bank
{
        private int accno,bal;
        private String cname,addr;
        public void getValue()
        {
                Scanner sin=new Scanner(System.in);
                System.out.print("Enter the Customer name:");
                cname=sin.nextLine();
                System.out.print("Enter the Customer address: ");
                addr=sin.nextLine();
                System.out.print("Enter the accno:");
                accno=sin.nextInt();
                System.out.print("Enter the balance:");
                bal=sin.nextInt();
        }
        public void displayData()
        {

                System.out.println("Accno:"+accno);
                System.out.println("Customer name:"+cname);
                System.out.println("Customer address:"+addr);
                System.out.println("Balance amount:"+bal);
      }
        public void Deposit(int x)
        {
                bal+=x;
        }
        public int getAccno()
        {
                return accno;
        }
        public void withDraw(int x)
        {
                if(bal>x)
                        bal=bal-x;
                else
                        System.out.println("Ur balance is only "+bal);
        }
}
public class BankAppln
{
        public static void main(String arg[])
        {
                Bank b[];
                int n,accno,amt,ch,i,temp=0;
          Scanner sin=new Scanner(System.in);
                System.out.println("Enter the n value:");
                n=sin.nextInt();
                b=new Bank[n];
                for(i=0;i<n;i++)
                        b[i]=new Bank();
                for(i=0;i<n;i++)
                        b[i].getValue();
                do
                {
                System.out.println("1.Deposit");
                System.out.println("2.WithDraw");
                System.out.println("3.Display all data");
                System.out.println("4.exit");
                System.out.print("Enter ur choice:");
                ch=sin.nextInt();
                switch(ch)
                {
                        case 1:
                                System.out.print("Enter the accno:");
                                accno=sin.nextInt();
                                System.out.print("Enter the amt:");
                                amt=sin.nextInt();
                                                      for(i=0;i<b.length;i++)
                                {
                                        if(accno==b[i].getAccno())
                                        {
                                                b[i].Deposit(amt);
                                                b[i].displayData();
                                                temp=10;
                                        }
                                }
                                if(temp==0)
                                        System.out.println("Enter the correct accno");
                                break;
                        case 2:
                                System.out.print("Enter the accno:");
                                accno=sin.nextInt();
                                System.out.print("Enter the amount to be withdraw:");
                                amt=sin.nextInt();
                                for(i=0;i<b.length;i++)
                                {
                                        if(accno==b[i].getAccno())
                                        {
                                               b[i].withDraw(amt);
                                                temp=10;
                                        }
                                }
                                if(temp==0)
                                        System.out.println("Enter the correct accno");
                                break;
                        case 3:
                                for(i=0;i<b.length;i++)
                                b[i].displayData();
                                break;
                        case 4:
                                break;
                }
                temp=0;
                System.out.print("Do u want to continue (y-1)(n-0):");
                ch=sin.nextInt();
                }while(ch==1);
        }
}
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