Account.java

package com.rokonoid.demo;

public abstract class Account {
  private double initialBalance;
	private double interest;
	private int transection;
	private double bankFee;

	public Account(double initialAccount) {
		this.initialBalance = initialAccount;
	}

	public double getBalance() {
		return initialBalance;
	}

	public void endMonth() {
		System.out.println();
		System.out.println("-----------endMonth()----------");
		System.out.println("Interest: " + interest);
		System.out.println("Total Transection: " + getTotalTransection());
		System.out.println("Bank Fee: " + bankFee);
		System.out.println("Total Balance: " + calculateTotalBalance());
		System.out.println("-----------endMonth()----------");
		System.out.println();
	}

	private double calculateTotalBalance() {
		return (getBalance() - bankFee + interest);
	}

	protected void addBalance(double amount) {
		transection++;
		initialBalance += amount;
	}

	protected void addTransectionFee(double fee) {
		bankFee += fee;
	}

	protected int getTotalTransection() {
		return transection;
	}

	protected void substractBalance(double amount) {
		if (getBalance() < amount) {
			System.out.println("Insufficient funds");
			return;
		}
		transection++;
		initialBalance -= amount;
	}

	public abstract void diposit(double amount);

	public abstract void withdraw(double amount);
}