Cards

public class Blackjack {

public int parseCard(String card) {
    switch(card) {
        case "two":
            return 2;
         case "three":
            return 3;
         case "four":
            return 4;
         case "five":
            return 5;
         case "six":
            return 6;
         case "seven":
            return 7;
         case "eight":
            return 8;
         case "nine":
            return 9;
        case "ten": case "jack": case "queen": case "king":
            return 10;
        case "ace":
            return 11;
        default:
            return 0;     
    }
    
}

public boolean isBlackjack(String card1, String card2) {
    return (parseCard(card1)+ parseCard(card2) == 21);
}

public String largeHand(boolean isBlackjack, int dealerScore) {
    if (isBlackjack== true){
        if (dealerScore<10){
        return "W";}
    else {return "S";}
    }
    else {return "P";}
        
}

public String smallHand(int handScore, int dealerScore) {
    if(handScore<21 && handScore>=17 || handScore >=12 && handScore<=16 && dealerScore<=6){
        return "S";
    }   else {return "H";}  
}

// FirstTurn returns the semi-optimal decision for the first turn, given the cards of the player and the dealer.
// This function is already implemented and does not need to be edited. It pulls the other functions together in a
// complete decision tree for the first turn.
public String firstTurn(String card1, String card2, String dealerCard) {
    int handScore = parseCard(card1) + parseCard(card2);
    int dealerScore = parseCard(dealerCard);

    if (20 < handScore) {
        return largeHand(isBlackjack(card1, card2), dealerScore);
    } else {
        return smallHand(handScore, dealerScore);
    }
}

}