Question

Using ECLIPSE IDE

Write a Java Program to play your version of the Texas Pick 3 Lottery. You will need to include the provided code given below in your program.

Task:The program will prompt for a number between 0 and 999. Your program will display the number of attempts it took for the entered number to match a randomly generated number.

1. In the main() method, declare an int named myPick3choice.
2. Create a prompt for myPick3choice as "Enter your Pick 3 choice:0-999".
3. Create a void method named playPick3 that has an int parameter named myPick3.
4. In the playPick3 method, do the following:
   1. Create an int variable called playCounter and initialize it to 0.
   2. Create an int variable called myPick3Result.
   3. Create a loop that calls the method officialPlayPick3 (Provided below) and store the result in myPick3Result.
      1. If myPick3Result matches the variable myPick3, then display the result of playcounter as "PlayCounter = ...." and exit the loop.
      2. If myPick3Result does not match, increment the variable playCounter and continue the loop.

Enter your Pick 3 choice 0-999: 554

PlayCounter = 1343   ( This result will vary )

Include the code below in your program. The code also requires the following import line:

import java.util.concurrent.ThreadLocalRandom;

/**
* officialPlayPick3()
* Returns a random number from 0 to 999
* @return int
*/

public static int officialPlayPick3() {

final int MIN_RANGE_VALUE = 0;

final int MAX_RANGE_VALUE = 999;

       return ThreadLocalRandom.current().nextInt(MIN_RANGE_VALUE,MAX_RANGE_VALUE + 1);
}

Answer 1

SOLUTION-
I have solve the problem in Java code with screenshot for easy understanding :)

CODE-

import java.util.Scanner;
import java.util.concurrent.ThreadLocalRandom;

public class LotteryGame {

   static void playPick3(int myPick3)
   {
       int playCounter=0;
       int myPick3Result;
      
       while(true)
       {
           myPick3Result=officialPlayPick3();
           if(myPick3Result==myPick3)
           {
               System.out.println("PlayCounter = "+playCounter);
               return;
           }
           else
           {
               playCounter++;
           }
       }
      
      

   }
   static int officialPlayPick3()
   {
       final int MIN_RANGE_VALUE = 0;

       final int MAX_RANGE_VALUE = 999;

       return ThreadLocalRandom.current().nextInt(MIN_RANGE_VALUE,MAX_RANGE_VALUE + 1);
   }
   public static void main(String[] args) {
       // TODO Auto-generated method stub
       int myPick3choice;
       Scanner sc=new Scanner(System.in);
      
       System.out.print("Enter your Pick 3 choice:0-999: ");
       myPick3choice=sc.nextInt();
      
       playPick3(myPick3choice);
      
   }

}

SCREENSHOT-

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