WarGame

• two players

• create a new deck of 20 cards
• tell deck "shuffle"
• create a new pile of cards
• create another new pile of cards
• repeat the following 10 times
  • ask deck "getTopCard", tell first pile "addCard(thatCard)"
  • ask deck "getTopCard", tell second pile "addCard(thatCard)"
• create a player, telling it which pile of cards belongs to it
• create another player and tell it to use the other pile of cards

• create a new pile
• do the following until otherwise specified
  • ask first player "playCard"
  • ask second player "playCard"
  • ask first card "compareTo(secondCard)" and remember answer
  • tell pile "addCard(firstCard)" and "addCard(secondCard)"
  • if answer > 0, stop and tell first player "winCards(pile)"
  • if answer < 0, stop and tell second player "winCards(pile)"
  • if answer = 0, ask first player "countCards" and second player "count cards"
  • if either answer = 0, stop

• ask first player "countCards"
• ask second player "countCards"
• if either answer = 0 then answer "yes", otherwise answer "no"

• ask first player "countCards"
• ask second player "countCards"
• if both answers = 0, answer "no one"
• if first answer = 0, answer "player 2", otherwise answer "player 1"