rock-paper-scissors

Simple Java console program: Rock, Paper Scissors (RPS) Game.

Overview

• A computerized version of Rock, Paper Scissors (RPS).
• RPS is a popular game played between 2 individuals for decision making ("if you win, then I get the last cookie") or just for fun.
• This time is played between the computer and a single player.

Rules

• Rock beats Scissors (i.e., Rock wins)
• Scissors beats Paper
• Paper beats Rock
• If the players pick the same thing (e.g., Rock and Rock), then it is a Tie.

Guide

• Ask for the player's name. Say "Hello, ".
• Ask the player "How many times do you want to play?". Repeat the game that many times.
• The player is asked for a throw and enters "Rock", "Paper", or "Scissors". Upper case and lower case letter do not matter.
• The computer tells the player what their number corresponded to: rock, paper, or scissors.
• The computer picks a random number for rock, paper, or scissors.
• If the player enters a wrong word, like "Potato", the program will say "You did not say Rock, Paper, or Scissors! No fair!". Then, it will ask them to pick again.
• The computer tells the player what the computer picked: rock, paper, or scissors.
• The computer tells the player who won: the player or the computer or a Tie.
• Print the game summary to the console.

To improve

• decideWinner()

  if (computerThrow == (playerThrow + 1) % 3) {
    System.out.println("Computer wins!");
  }

• Only need one Scanner.
• getPlayerThrow(), the while loop is complicated. Use Enum.
• Clean the scanner input

  Scanner keyboard = new Scanner(System.in);
  
  Keyboard.nextLine(); // clear line