ObjectTeachingExample

/**
 * Created by GianDavid on 22.05.2017.
 */

import javafx.application.Application;
import javafx.stage.Stage;

class PriceCalc  {

    public static void main(String[] args) {
        // The execution of the program starts here.

        MyBankAccount account1 = new MyBankAccount(1, "owner1", 0);
        MyBankAccount account2 = new MyBankAccount(2, "owner2", 0);

        account1.depositMoney(30);
        account2.depositMoney(500);

        account1.withdrawMoney(100); // this returns false because the account only has 30 'money' in it.
        account1.withdrawMoney(10); // this returns true because the account has more than 10 'money' it.

        int amountOfMoneyLeftOnAccount1 = account1.money; // this will be set to 20 because the account has 30-10=20 'money' in it.
        System.out.println(account1.owner + " has " + amountOfMoneyLeftOnAccount1 + " money left on account " + account1.id + "."); // This will print out: owner1 has 20 money left on account 1.

        // The execution of the program ends here.
    }
}

class MyBankAccount {  // MyBankAccount is the name of the class
    // Fields/Variables/Attributes
    int id;
    String owner;
    int money;

    // Constructor
    MyBankAccount(int initId, String initOwner, int initMoney) {
        id = initId;
        owner = initOwner;
        money = initMoney;
    } // End of constructor

    // Methods/Functions
    void depositMoney(int newMoney) {
        money = money + newMoney;
    } // End of depositMoney

    Boolean withdrawMoney(int withdrawnMoney) {
        if (money - withdrawnMoney < 0) {  // Checks if there's enough money in the account)
            return false;
        } else {
            money = money - withdrawnMoney;
            return true;
        } // End of else clause
    } // End of withdrawnMoney
} // End of class