Bank

package Cls;

import java.util.Vector;

public abstract class Account {
    static int accountNum = 1;
    int account;
    String owner;
    double balance;
    int commision;
    boolean loan=false;

    public Account(String owner, double balance, int commision) {
        this.owner = owner;
        this.balance = balance;
        this.commision = commision;
        this.account = accountNum;
        accountNum += 1;
    }

    public boolean withdraw(int amount) {
        double wantWithdraw = amount + amount*(1+commision/100);
        if (balance-wantWithdraw>=0 || this instanceof Bussnies){
            this.balance-=wantWithdraw;
            return true;
        }
        return false;
    }

    public void deposit(int amount){
        double wantDeposit = amount - amount*(1+commision/100);
        this.balance+=wantDeposit;
    }

    public void setComm(int commision){
        this.commision=commision;
    }

    @Override
    public String toString() {
        return "Account{" +
                "account=" + account +
                ", owner='" + owner + '\'' +
                ", balance=" + balance +
                ", commision=" + commision +
                '}';
    }

    public boolean getLoan(){
        return (this instanceof Loanable);
    }

    public boolean savings(){
        return (this instanceof Normal);
    }

    public static void gotLoanList(Vector<Account> allAcount, boolean hasLoan){
        for (Account item:allAcount){
            if (item instanceof Loanable && item.loan==hasLoan){
                System.out.println(item);
            }
        }
    }

    public void setLoan(){
        if (this instanceof Loanable){
            this.loan=true;
        } else {
            System.out.println("this account can not take a loan");
        }
    }
}




package Cls;

public class Normal extends Account implements SaveAble{
    public Normal(String owner, double balance, int commision) {
        super(owner, balance, 5);
    }
}



package Cls;

public class Student extends Account implements Loanable{
    public Student(String owner, double balance, int commision) {
        super(owner, balance, 1);
    }
}



package Cls;

public class Bussnies extends Account implements Loanable{
    public Bussnies(String owner, double balance, int commision) {
        super(owner, balance, 1);
    }
}



package Cls;

public class Young extends Account {
    public Young(String owner, double balance, int commision) {
        super(owner, balance, 0);
    }
}





package Cls;

public interface SaveAble {
}


package Cls;

public interface Loanable {
}