Write a class named Die with the attribute face that can have a value between 1

Question

Write a class named Die with the attribute face that can have a value between 1 and 6(inclusive). Include a constructor that randomly assigns a value to a die object. You may use the Math.random( ) method to generate the random numbers. Add a method in the class to return a die’s value. Now, write an application that “randomly” throws five dice for the player and five dice for the computer. The application first displays the values; then it decides the winner based on the following hierarchy of die values. Any higher combination beats the lower one. For example five of a kind beats four of a kind; four of a kind beats three; three of a kind beats two. When both the player and the computer have the same combination, the higher value wins.

Explanation / Answer

// Complete Program:

// File: Die.java
public class Die
{
private int face;

public Die()
{
  face = 1 + (int) (Math.random() * 100) % 6;
}

public int getFace()
{
  return face;
}
}

// File: FiveDiceGame.java
import java.util.*;
public class FiveDiceGame
{
public static void main(String[] args)
{
  Scanner input = new Scanner(System.in);
  
  int compNums = 0;
  int playerNums;
  String choice;

  Die[] computer = new Die[5];
  Die[] player = new Die[5];
  System.out.println("The highest combination wins the game.");
  System.out.println("5 of a kind beats 4 of a kind");
  System.out.println("4 of a kind beats 3 of a kind");
  System.out.println("3 of a kind beats 2 of a kind");
  System.out.println("2 of a kind beats 1 of a kind ");
  
  do
  {
   // computer
   System.out.print("Computer rolled: ");
   for(int i = 0; i < computer.length; ++i)
   {
    computer[i] = new Die();
    compNums = computer[i].getFace();
    System.out.print(compNums + " ");
   }
   
   // player
   System.out.print(" Player rolled: ");
   for(int i = 0; i < player.length; ++i)
   {
    player[i] = new Die();
    playerNums = player[i].getFace();
    System.out.print(playerNums + " ");
   }
   
   int compHighComb = findHighestCombinations(computer);
   int playerHighComb = findHighestCombinations(player);
   
   System.out.println(" Computer's highest combination: " + compHighComb);
   System.out.println("Player's highest combination: " + playerHighComb);
   
   if(compHighComb > playerHighComb)
    System.out.println("Computer wins the game!");
   else if(compHighComb < playerHighComb)
    System.out.println("Player wins the game!");
   else
    System.out.println("Tie - No one wins the game!");
   
   System.out.print(" Do you want to play again? (Y/YES): ");
   choice = input.next();
   System.out.println();
  }while(choice.equalsIgnoreCase("Y") || choice.equalsIgnoreCase("YES"));
}

public static int findHighestCombinations(Die[] dies)
{
  int highest = 0;
  int count;
  
  for(int i = 0; i < dies.length; i++)
  {
   count = 0;
   for(int j = 0; j < dies.length; j++)
   {
    if(dies[i].getFace() == dies[j].getFace())
     count++;
   }
   
   if(count > highest)
    highest = count;
  }
  
  return highest;
}
}

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