**// Classe **

package exercicios.lista_exer;

public class CreditCard_Purchase implements Comparable<CreditCard_Purchase> {
    private String description;
    private double price;

    public String getDescription() {
        return description;
    }

    public double getPrice() {
        return price;
    }

    public CreditCard_Purchase(String description, double price) {
        this.description = description;
        this.price = price;
    }

    @Override
    public String toString() {
        return description + " - " + String.format("%.2f", price);
    }

    @Override
    public int compareTo(CreditCard_Purchase o) {
        return Double.compare(this.price, o.getPrice());
    }
}

**// Main **

package exercicios.lista_exer;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class CreditCard_Main {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        System.out.println("How much do you have? : ");
        double limit = input.nextDouble();
        System.out.println(limit);

        ArrayList<CreditCard_Purchase> purchases = new ArrayList<>();


        int choice = -1;
        while ( choice != 0 ) {
            System.out.println("Main Menu");
            System.out.println("1 - Buy a product");
            System.out.println("0 - Exit");
            System.out.println("Menu Choice: ");
            choice = input.nextInt();
            input.nextLine();

            if (choice == 1) {

                System.out.println("What is the product name?: ");
                String product = input.nextLine();

                System.out.println("how much is the price?: ");
                double price = input.nextDouble();

                if (price > limit) {
                    System.out.println("Sorry! You dont have money for buy this product!");
                } else {
                    CreditCard_Purchase purchase = new CreditCard_Purchase(product, price);
                    purchases.add(purchase);
                    limit -= price;
                    System.out.println("Available Limit is: $" + limit);
                }
            } else if (choice == 0) {
                break;
            } else {
                System.out.println("Sorry! Invalid menu option !!!");
                System.out.println();
            }
        }

        Collections.sort(purchases);
        purchases.forEach(System.out::println);
        System.out.println("Available Limit is: $" + String.format("%.2f", limit));

    }
}