Bank Management Project

/**
 * Account class of Banking Management Project.
 *
 * @author knowledgeboat.com
 * @version 1.0
 */
public class Account
{
    private long acNo;
    private String acHolderName;
    private char acType;   //'S' for saving, 'C' for current
    private double acBal;

    public Account(long no, String name, 
    char type, double bal) {
        acNo = no;
        acHolderName = name;
        acType = type;
        acBal = bal;
    }

    public long getAcNo() {
        return acNo;
    }

    public String getAcHolder() {
        return acHolderName;
    }

    public char getAcType() {
        return acType;
    }

    public double getAcBal() {
        return acBal;
    }

    public void deposit(double amt) {
        acBal += amt;
    }

    public boolean withdraw(double amt) {
        if (acBal < amt)
            return false;
        acBal -= amt;
        return true;
    }

    public void displayAcDetails() {
        System.out.println("Account No. : " + acNo);
        System.out.println("Account Holder Name : " + acHolderName);
        System.out.println("Type of Account : " + acType);
        System.out.println("Balance Amount : " + acBal);
    }
}

/**
 * Bank class of Banking Management Project.
 *
 * @author knowledgeboat.com
 * @version 1.0
 */

import java.util.Scanner;

public class Bank
{
    private final int TOTAL_ACCTS_LIMIT = 10;
    private Account[] accts;
    private int acCount;

    public Bank() {
        accts = new Account[TOTAL_ACCTS_LIMIT];
        acCount = 0;
    }

    private Account getAccount(long accNo) {
        Account acct = null;
        for (int i = 0; i < acCount; i++) {
            if (accts[i].getAcNo() == accNo) {
                acct = accts[i];
                break;
            }
        }
        return acct;
    }

    public void openAccount() {
        if (acCount == TOTAL_ACCTS_LIMIT) {
            System.out.println("Limit reached, can't create more than " + 
                TOTAL_ACCTS_LIMIT + " accounts");
            return;
        }
        
        Scanner in = new Scanner(System.in);
        System.out.println("Enter Account Number: ");
        long acNum = in.nextLong();
        in.nextLine();
        System.out.println("Enter Account Holder Name: ");
        String name = in.nextLine();
        System.out.println("Enter Account Type (Savings(S)/Current(C)): ");
        char type = in.next().charAt(0);
        System.out.println("Enter Account Balance: ");
        double bal = in.nextDouble();
        accts[acCount++] = new Account(acNum, name, type, bal);
        System.out.println("Account Opened Successfully\n");
    }

    public void balanceEnquiry() {

        Scanner in = new Scanner(System.in);
        System.out.println("Enter Account Number: ");
        long acNum = in.nextLong();
        Account acct = getAccount(acNum);

        if (acct == null) {
            System.out.println("Sorry, Account not found\n");
        }
        else {
            acct.displayAcDetails();
        }
        
        System.out.println();
    }

    public void makeDeposit() {
        
        Scanner in = new Scanner(System.in);
        System.out.println("Enter Account Number: ");
        long acNum = in.nextLong();
        System.out.println("Enter Amount: ");
        double amt = in.nextDouble();
        Account acct = getAccount(acNum);

        if (acct == null) {
            System.out.println("Sorry, Account not found");
        }
        else {
            acct.deposit(amt);
            System.out.println("Deposit Successful");
            System.out.println("Updated Account Details");
            acct.displayAcDetails();
        }
        
        System.out.println();
    }

    public void makeWithdrawal() {
        
        Scanner in = new Scanner(System.in);
        System.out.println("Enter Account Number: ");
        long acNum = in.nextLong();
        System.out.println("Enter Amount: ");
        double amt = in.nextDouble();
        Account acct = getAccount(acNum);

        if (acct == null) {
            System.out.println("Sorry, Account not found");
        }
        else {
            if (acct.withdraw(amt)) {
                System.out.println("Withdrawal Successful");
                System.out.println("Updated Account Details");
            }
            else {
                System.out.println("Insufficient Balance!!!");
                System.out.println("Account Details");
            }
            acct.displayAcDetails();
        }
        
        System.out.println();
    }

    public void displayAllAccounts() {
        System.out.println("A/C No.\tNAME\tTYPE\tBALANCE");
        for (int i = 0; i < acCount; i++) {
            System.out.println(accts[i].getAcNo() + "\t" 
                + accts[i].getAcHolder() + "\t" + accts[i].getAcType() + "\t" 
                + accts[i].getAcBal());
        }
        System.out.println();
    }
    
    public static void main(String args[]) {
        
        int ch;
        Bank bank = new Bank();
        do {
            System.out.println("Main Menu");
            System.out.println("1. Open New Account");
            System.out.println("2. Deposit Amount");
            System.out.println("3. Withdraw Amount");
            System.out.println("4. Check Balance");
            System.out.println("5. List All Accounts");
            System.out.println("6. Exit");
            System.out.println("Make Your Choice (1-6): ");
            
            Scanner in = new Scanner(System.in);
            ch = in.nextInt();
            System.out.println();
            
            switch(ch) {
                case 1:
                bank.openAccount();
                break;
                
                case 2:
                bank.makeDeposit();
                break;
                
                case 3:
                bank.makeWithdrawal();
                break;
                
                case 4:
                bank.balanceEnquiry();
                break;
                
                case 5:
                bank.displayAllAccounts();
                break;
                
                case 6:
                System.out.println("Bye...");
                break;
                
                default:
                System.out.println("Incorrect choice!!!");
            }
        } while (ch != 6);
    }
}