Ex. Bank #32

// Shavit Borisov
// CW

import java.util.Scanner;

public class BankManagment {

    public static void main(String[] args)
    {
        final int MAX_SIZE = 10;

        Scanner in = new Scanner(System.in);
        BankAccount[] accounts = new BankAccount[MAX_SIZE];

        String function;
        String firstName;
        String secondName;
        double amount;
        int nextIni = 0;
        int i = 0, j = 0;

        System.out.printf("What would you like to do? ");
        function = in.next();

        while(!(function.equals("end")))
        {
            switch(function)
            {
                case "new":
                    firstName = in.next();
                    amount = in.nextDouble();
                    if(nextIni < MAX_SIZE)
                    {
                        accounts[nextIni] = new BankAccount(firstName, amount);
                        nextIni++;
                        System.out.printf("Success\n");
                    }
                    else
                        System.out.printf("Invalid operation!\n");
                    break;
                case "deposit":
                    firstName = in.next();
                    amount = in.nextDouble();
                    for(i = 0; i < MAX_SIZE; i++)
                        if(accounts[i].getName().equals(firstName))
                        {
                            accounts[i].deposit(amount);
                            System.out.printf("Success\n");
                            break;
                        }
                    if(i == MAX_SIZE)
                        System.out.printf("Invalid operation!\n");
                    break;
                case "withdraw":
                    firstName = in.next();
                    amount = in.nextDouble();
                    for(i = 0; i < MAX_SIZE; i++)
                    {
                        if(accounts[i].getName().equals(firstName))
                        {
                            if(accounts[i].getBalance() >= amount)
                            {
                                accounts[i].withdraw(amount);
                                System.out.printf("Success\n");
                                break;
                            }
                            else
                                System.out.printf("Invalid operation!\n");
                        }
                    }
                    if(i == MAX_SIZE)
                        System.out.printf("Invalid operation!\n");
                    break;
                case "trans":
                    firstName = in.next();
                    secondName = in.next();
                    amount = in.nextDouble();
                    for(i = 0; i < MAX_SIZE; i++)
                    {
                        if(accounts[i].getName().equals(firstName))
                        {
                            if(accounts[i].getBalance() < amount)
                            {
                                System.out.printf("Invalid operation!\n");
                                break;
                            }
                            else
                            {
                                for(j = 0; j < MAX_SIZE; j++)
                                {
                                    if(i == j)
                                        continue;
                                    else
                                        if(accounts[j].getName().equals(secondName))
                                        {
                                            accounts[i].transfer(accounts[j], amount);
                                            break;
                                        }
                                }
                            }

                        break;
                        }
                    }

                    if((i == MAX_SIZE) || (j == MAX_SIZE))
                        System.out.printf("Invalid operation!\n");
                    break;
                default:
                    System.out.printf("Invalid operatoin!\n");

                System.out.printf("What would you like to do next? ");
                function = in.next();
            }
        }
        System.out.printf("-----");
        for(i = 0; i <= nextIni; i++)
            System.out.printf("\nName: %s\nBalance: %f\n-----", accounts[i].getName(), accounts[i].getBalance());
        in.close();
    }
}

// Next class

public class BankAccount
{
    private double balance;
    private String name;

    public BankAccount(String name, double balance)
    {
        this.name = name;
        this.balance = balance;
    }

    public void deposit(double amount)
    {
        balance = balance + amount;
    }

    public void withdraw(double amount)
    {
        balance = balance - amount;
    }

    public void transfer(BankAccount otherAccount, double amount)
    {
        withdraw(amount);
        otherAccount.deposit(amount);
    }

    public double getBalance()
    {
        return balance;
    }

    public String getName()
    {
        return name;
    }
}