Answer to Question #292770 in Java | JSP | JSF for Pre

Question

Code about leather company it expected of you create an application for company that will allow them to view the list of lounge suite, update the price of a lounge suite , as well finding the cheapest 3 seater lounge suite

Answer 1

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        String[] names = {"Modern", "Classic", "Triangle", "Transformer"};
        double[] prices = {1799, 1500, 2000, 2499};
        Scanner in = new Scanner(System.in);
        while (true) {
            System.out.println("\n1. View List\n2. Update price\n3. Show 3 the cheapest\n0. Exit");
            switch (in.nextLine()) {
                case "1":
                    for (int i = 0; i < names.length; i++) {
                        System.out.println(i + 1 + ". " + names[i] + " $" + prices[i]);
                    }
                    break;
                case "2":
                    System.out.println("Which one (1-" + prices.length + "):");
                    int index = Integer.parseInt(in.nextLine());
                    System.out.println("New price:");
                    double newPrice = Double.parseDouble(in.nextLine());
                    prices[index - 1] = newPrice;
                    break;
                case "3":
                    int size = 3;
                    int[] min = new int[Math.min(prices.length, size)];
                    for (int i = 0; i < prices.length; i++) {
                        if (i < size) {
                            min[i] = i;
                        } else {
                            for (int j = 0; j < min.length; j++) {
                                if (prices[min[j]] > prices[i]) {
                                    boolean highest = true;
                                    for (int k = 0; k < min.length; k++) {
                                        if (k != j && prices[min[j]] < prices[min[k]]) {
                                            highest = false;
                                            break;
                                        }
                                    }
                                    if (highest) {
                                        min[j] = i;
                                        break;
                                    }
                                }
                            }
                        }
                    }
                    for (int i = 0; i < min.length - 1; i++) {
                        int minI = i;
                        for (int j = i + 1; j < min.length; j++) {
                            if (prices[min[minI]] > prices[min[j]]) {
                                minI = j;
                            }
                        }
                        int tmp = min[minI];
                        min[minI] = min[i];
                        min[i] = tmp;
                    }
                    for (int i = 0; i < min.length; i++) {
                        System.out.println(i + 1 + ". " + names[min[i]] + " $" + prices[min[i]]);
                    }
                    break;
                case "0":
                    System.exit(0);
            }
        }
    }
}