You may use the console (Scanner) or dialog box method. Write a Lottery class th

Question

You may use the console (Scanner) or dialog box method. Write a Lottery class that simulates a lottery. The class should have an array of 5 integers named lotteryNumbers with the following characteristics: 1. the constructor should use the Random class (from the Java API) to generate a random number in the range of 1 to 50 for each element in the array 2. The class should have a method that accepts an array of five integers that represent a person's lottery picks. They method is to compare the corresponding elements in the two arrays and return the number of digits that match. if all 5 numbers match, the method should display a " YOU WIN!" message. (Hint: use either a selection sort before comparing arrays or use a nested loop) 3. The class should have a method that returns a copy of the lotteryNumbers array. Demonstrate the class in a program that asks the user to enter 5 numbers. The program should then display the computer generated lottery numbers and then the number of digits that match. -- If anyone could help me with this. I would very much appreciate it!

Explanation / Answer

/*100% working code*/

import java.util.Arrays;
import java.util.Random;
import java.util.Scanner;

public class Lottery {

    int[] lotteryNumbers = new int[5];

    public int[] getLotteryNumbers() {
        return lotteryNumbers;
    }

    Lottery() {
        Random randomVal = new Random();
        for (int i = 0; i < lotteryNumbers.length; i++) {
            lotteryNumbers[i] = randomVal.nextInt((50 - 1) + 1);
        }

    }

    int compare(int[] personLottery) {
        int count = 0;
        Arrays.sort(lotteryNumbers);
        Arrays.sort(personLottery);
        for (int i = 0; i < lotteryNumbers.length; i++) {
            if (lotteryNumbers[i] == personLottery[i]) {
                count++;
            }
        }

        return count;
    }

    public static void main(String[] args) {
        int[] personLotteryNum = new int[5];
        int matchNum;
        Lottery lnum = new Lottery();
        Scanner input = new Scanner(System.in);

        System.out.println("Enten the five digit lottery number");
        for (int i = 0; i < personLotteryNum.length; i++) {
            System.out.println("Enter the digit " + (i + 1) + " :");
            personLotteryNum[i] = input.nextInt();
        }

        matchNum = lnum.compare(personLotteryNum);
        if (matchNum == 5)
            System.out.println("YOU WIN!!");
        else
            System.out.println("YOU LOSS!!");

        System.out.println("Computer Generated Lottery Number :");
        for (int i = 0; i < lnum.getLotteryNumbers().length; i++) {
            System.out.print(lnum.getLotteryNumbers()[i] + " ");
        }
        System.out.println();
        System.out.println("Number Of digit matched: " + matchNum);
    }
}

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