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I thought it would be neat to try and apply what I read about methods to the idea and this is what I came up with.
/**
* A simple Rock Paper Scissors game
*
* @author Andrew Hood
* @version 2/11/2012
*/
import java.util.*;
class RockPaperScissors
{
public static int playerScore(int winner)
{
int xyz =0;
if(winner == 1)
{
xyz++;
}
else if(winner == 2)
{
xyz--;
}
return xyz;
}
public static void main(String[] args)
{
Scanner input = new Scanner(System.in);
int playerChoice, compChoice, playAgain = 0, playerWins = 0;
System.out.println("Rock Paper Scissors!\n");
while(playAgain!=9) // Contine loop until sentinel
{
System.out.println("[1]Rock, [2]Paper, [3]Scissors");
playerChoice = input.nextInt();
compChoice = (int) (3*Math.random()+1);
switch(playerChoice)
{
case 1: System.out.print("You chose Rock, ");
if(compChoice == 1)
{
System.out.println("Computer chose Rock.");
System.out.println("Draw!");
}
if(compChoice == 2)
{
System.out.println("Computer chose Paper.");
System.out.println("Computer wins!");
playerWins += playerScore(2);
}
if(compChoice == 3)
{
System.out.println("Computer chose Scissors.");
System.out.println("Player wins!");
playerWins += playerScore(1);
}
break;
case 2: System.out.print("You chose Paper, ");
if(compChoice == 1)
{
System.out.println("Computer chose Rock.");
System.out.println("Player Wins!");
playerWins += playerScore(1);
}
if(compChoice == 2)
{
System.out.println("Computer chose Paper.");
System.out.println("Draw!");
}
if(compChoice == 3)
{
System.out.println("Computer chose Scissors.");
System.out.println("Computer wins!");
playerWins += playerScore(2);
}
break;
case 3: System.out.print("You chose Scissors, ");
if(compChoice == 1)
{
System.out.println("Computer chose Rock.");
System.out.println("Computer Wins!");
playerWins += playerScore(2);
}
if(compChoice == 2)
{
System.out.println("Computer chose Paper.");
System.out.println("Player wins!");
playerWins += playerScore(1);
}
if(compChoice == 3)
{
System.out.println("Computer chose Scissors.");
System.out.println("Draw!");
}
break;
default: System.out.println("You must choose 1,2 or 3");
break;
} // End switch
System.out.println("Your score is: " + playerWins);
System.out.println("Would you like to play again? [1]Yes, [9]No");
playAgain = input.nextInt();
} // End while loop
} // End public static void main
} // End RockPaperScissors
I was thinking about making a two player version, where your choice would influence but not dictate what you got. That way even though the other person saw what you put. You still have a chance to win. Like computer vs computer where you both take sides.
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