Bank Accounts

//---------- Account -------------------
package BankAccounts;

public class Account {

    // Instance variables
    private int id;
    private String name;
    private double fee;
    private double balance;
    private double lineOfCredit;
    private String accountType;

    // Constructor

    public Account(int id, String name, double fee, double lineOfCredit, String accountType) {
        this.id = id;
        this.name = name;
        this.fee = fee;
        this.balance = 0;
        this.lineOfCredit = lineOfCredit;
        this.accountType = accountType;
    }

    // Class methods
    public int getId() {
        return id;
    }

    public String getName() {
        return name;
    }

    public double getFee() {
        return fee;
    }

    public boolean setFee(double fee) {
        if(this instanceof RegularAccount || this instanceof BusinessAccount) {
            if(fee > 0) {
                this.fee = fee;
                return true;
            }
        }
        return false;
    }

    public double getBalance() {
        return balance;
    }

    public double getLineOfCredit() {
        return lineOfCredit;
    }

    public void setLineOfCredit(double lineOfCredit) {
        this.lineOfCredit = lineOfCredit;
    }

    public void deposit(double money) {
        if(money < 0) {
            System.out.println("Cannot deposit negative value!");
        } else if(money == 0) {
            System.out.println("You tried to deposit 0 ILS! Balance will stay the same!");
        } else {
            this.balance += (getBalance()*getFee()*-1 + money);
        }
    }

    public void withdraw(double money) {
        if(money <= 0) {
            System.out.println("Bad Input! Cannot withdraw 0 or negative value!");
        } else {
            if(getBalance() - money*(getFee()+1) < lineOfCredit * -1) {
                System.out.println("Impossible to withdraw");
            } else {
                this.balance -= money + Math.abs(getBalance())*getFee();
            }
        }
    }

    public void getLoan(double loan) {
        int loanAmount = 0;
        if(this instanceof RegularAccount || this instanceof BusinessAccount) {
            loanAmount = this instanceof RegularAccount ? 10000 : 100000;
            if(loan <= loanAmount && loan > 0) {
                deposit(loan);
            } else {
                System.out.println("Bad Input!!!");
            }
        }
    }

    public void printDetails() {
        System.out.println("Account details:\nAccount type: " + this.accountType + "\nName of account owner: " + getName() + "\nId of account owner: " + getId() +
        "\nFee is: " + getFee() + "\nBalance is: " + getBalance() + "\n");
    }
}

//----------------- Business Account ------------------------
package BankAccounts;

public class BusinessAccount extends Account{

    public BusinessAccount(int id, String name, double lineOfCredit) {
        super(id, name, 0.03, lineOfCredit, "Business Account");
    }
}

//----------------- Regular Account -----------------------------
package BankAccounts;

public class RegularAccount extends Account{

    public RegularAccount(int id, String name, double lineOfCredit) {
        super(id, name, 0.05, lineOfCredit, "Regular Account");
    }
}

//-------------------- Student Account ------------------------
package BankAccounts;

public class StudentAccount extends Account{

    public StudentAccount(int id, String name, double lineOfCredit) {
        super(id, name, 0.01, lineOfCredit, "Student Account");
    }
}

//-------------------- Young Account ----------------------------
package BankAccounts;

public class YoungAccount extends Account{

    public YoungAccount(int id, String name, double lineOfCredit) {
        super(id, name, 0, lineOfCredit, "Young Account");
    }
}

//------------------------ Main Class --------------------------
package Tester;
import BankAccounts.*;

public class BankAccounts {

    public static void main(String[] args) {
        Account[] accounts = new Account[4];
        accounts[0] = new BusinessAccount(111111111, "Eran", 40000);
        accounts[1] = new StudentAccount(222222222, "Moshe", 30000);
        accounts[2] = new RegularAccount(333333333, "Yossi", 20000);
        accounts[3] = new YoungAccount(111111111, "Yaron", 15000);
        for (int i = 0; i < accounts.length; i++) {
            accounts[i].deposit(20000 + 1000*i);
            accounts[i].printDetails();
            accounts[i].withdraw(50000 + 500*i);
            accounts[i].printDetails();
            if(accounts[i] instanceof RegularAccount || accounts[i] instanceof BusinessAccount) {
                accounts[i].getLoan(50000);
            }
            accounts[i].printDetails();
        }
    }
}