问当按回车键时，程序将无法继续。如何修复此错误？

EN

package Rock;
import java.util.Scanner;




public class RPSG {




public static void main(String[] args) {

    String[] computerHandArray = {"R","P","S"};
    String computerHand ="", thisWinner="", theFinalWinner="";
    int index=0;
    int timesIWon=0;
    int timesComputerWon=0;
    Scanner in = new Scanner(System.in);
    System.out.println("\tMenu\n\n(R) Rock\n(P) Paper\n(S) Scissors" + "\n\nEnter Your Hand (R, P, or S): ");
    for (int i=0; i<5; i++) {
        String myHandString = in.nextLine();
        String myHand = myHandString.substring(0,1);
        myHand = myHand.toUpperCase();
        index = (int)(Math.random() * 10) % 3;
        computerHand = computerHandArray[index];
        thisWinner = theWinnerofOneGame(myHand, computerHand);

        if(thisWinner.equals("ME")){
            timesIWon++;
        }
            else if(thisWinner.equals("COMPUTER")) {
                timesComputerWon++;
        }
    }

        if(timesIWon == timesComputerWon)
        theFinalWinner = "TIE";
    else if(timesIWon > timesComputerWon)
            theFinalWinner = "ME";
    else if(timesComputerWon > timesIWon)
        theFinalWinner = "COMPUTER";
    System.out.println("I won :" + timesIWon);
    System.out.println("I won :" + timesComputerWon);
    System.out.println("The Final Winner after 5 games is:" +theFinalWinner);
    }
private static String theWinnerofOneGame(String myHand, String computerHand){
    String theWinner = "Tie";
    if(myHand.equals(computerHand)) {
        theWinner = "Tie"; 
}
    else if(myHand.equals("R")) {
        if (computerHand.equals("P")) {
            theWinner = "COMPUTER";
        }
    }

    else if(computerHand.equals("S")) {
        theWinner = "ME";
    }

else if(myHand.equals("P")) {
    if (computerHand.equals("R")) {
        theWinner = "ME";
    }
    else if(computerHand.equals("S")) {
        theWinner = "COMPUTER";
        }
    }
else if(myHand.equals("S")) {
    if (computerHand.equals("R")) {
        theWinner = "COMPUTER";

    }

    else if(computerHand.equals("P")) {
        theWinner = "ME";
    }
}
    return theWinner;
    }

}