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  1. import java.util.Random;
  2. import java.util.Scanner;
  3.  
  4. public class Main {
  5.     public static void main(String[] args){
  6.  
  7.         int input; //Holds keyboard input
  8.         final int TOTAL_ANSWERS = 10; //Number of answers
  9.         int[] guesses = new int[TOTAL_ANSWERS]; //Array to hold answers
  10.  
  11.         //Creates a Scanner object for keyboard input
  12.         Scanner userInput = new Scanner(System.in);
  13.  
  14.         //Gets the users Input
  15.         System.out.println("Welcome to the Lottery!");
  16.  
  17.         for(int i = 0; i < guesses.length; i++)
  18.         {
  19.             System.out.print("Enter digit " + (i+1) + ": ");
  20.             input = userInput.nextInt();
  21.  
  22.             while(!validate(input))
  23.             {
  24.                 System.out.println("Invalid input. Please enter a digit between 1-9");
  25.                 System.out.print("Enter digit " + (i+1) + ": ");
  26.                 input = userInput.nextInt();
  27.             }
  28.             guesses[i] = input;
  29.         }
  30.  
  31.         //Creates a Lottery Object
  32.         TestingClass myLottery = new TestingClass(guesses);
  33.  
  34.  
  35.         System.out.print("\nCorrect Numbers: " + (myLottery.totalCorrect()));
  36.  
  37.  
  38.     }//End of Main Method
  39.     public static boolean validate(int a)
  40.     {
  41.         boolean status;
  42.  
  43.         if( a == 1 || a == 2 || a == 3 || a == 4 || a == 5 || a == 6 || a == 7 || a == 8 || a == 9)
  44.             status = true;
  45.         else 
  46.             status = false;
  47.         return status;
  48.  
  49.     }
  50. }//End of TestingClassDemo
  51.  
  52.  class TestingClass {
  53.  
  54.     private int[] lotteryNumbers = new int[10];{
  55.  
  56.     for(int i = 0;i < lotteryNumbers.length ;i++)
  57.     {
  58.         lotteryNumbers[i] = (int) (Math.random()*10);
  59.         System.out.print(lotteryNumbers[i]+ " ");
  60.     }
  61.     }//End of LOOP
  62.  
  63.     //Creates a Private Array for lotteryNumbers the user Guesses
  64.     private int[] lotteryGuesses = new int[10];
  65.  
  66.     //Creates a Private int totalCorrect whether correct guesses are stored
  67.     private int totalCorrect = 0;
  68.  
  69.     //Appends lotteryGuesses to lotteryNumbers for comparison
  70.     public TestingClass(int[] lotteryNumbers)
  71.     {
  72.         lotteryGuesses = lotteryNumbers;
  73.     }
  74.  
  75.     /** Compares whether the uses LotteryGuess are correct
  76.      and if they are increases total Correct
  77.      */
  78.     public int totalCorrect()
  79.     {
  80.         for( int x = 0; x < lotteryNumbers.length; x++)
  81.         {
  82.                 if(lotteryGuesses[x] == lotteryNumbers[x])
  83.                 {
  84.                     totalCorrect += 1;
  85.                 }
  86.         }
  87.         return totalCorrect;
  88.     }
  89.  
  90.  
  91.  
  92. }//End of Public Class TestingClass
Success #stdin #stdout 0.07s 4386816KB
comments (?)
stdin 
0
10
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2
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9
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stdout 
Welcome to the Lottery!
Enter digit 1: Invalid input. Please enter a digit between 1-9
Enter digit 1: Invalid input. Please enter a digit between 1-9
Enter digit 1: Enter digit 2: Enter digit 3: Enter digit 4: Enter digit 5: Enter digit 6: Enter digit 7: Enter digit 8: Enter digit 9: Enter digit 10: 2 8 2 6 6 5 8 5 2 4 
Correct Numbers: 0
https://ideone.com/M3alpR
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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