ROCK PAPER SCISSOR

import java.util.Random;
import java.util.Scanner;

public class rock_paper_scissor
{
    private int winsToWinTheMatch;
    public rock_paper_scissor(int winsToWinTheMatch)
    {
        this.winsToWinTheMatch = winsToWinTheMatch;
    }
    public void start()
    {
        System.out.println("WELCOME TO ROCK, PAPER AND SCISSOR!");
        gameplay();
    }

    private void gameplay()
    {
        int score = 0, enemyScore = 0, enemyChoice, userChoice;
        Random random = new Random();
        Scanner scanner = new Scanner(System.in);

        do
        {
            enemyChoice = random.nextInt(1, 4);
            System.out.println("Please Choose \n[1] ROCK\n[2] Paper\n[3] SCISSOR\n");
            System.out.print("Enter: ");
            String choice = scanner.nextLine();
            String winner = checkWinner(getWeapon(Integer.valueOf(choice)), getWeapon(Integer.valueOf(enemyChoice)));
            if(winner.equals("PLAYER"))
            {
                System.out.println("Player is the winner");
                score++;
            }
            else if(winner.equals("ENEMY"))
            {
                System.out.println("Enemy is the winner");
                enemyScore++;
            }
            else {
                System.out.println("TIE");
            }

            System.out.println("\nCURENT SCORE ");
            System.out.println("Player: " + score);
            System.out.println("Enemy: " + enemyScore);
            System.out.println("==========================================\n");

            if(winsToWinTheMatch <= score)
            {
                System.out.println("PLAYER IS THE WINNER OF THE MATCH");
                break;
            }
            else if(winsToWinTheMatch <= enemyScore)
            {
                System.out.println("ENEMY IS THE WINNER OF THE MATCH");
                break;
            }
        } while(true);
    }

    private String getWeapon(int weapon)
    {
        if(weapon == 1)
            return "ROCK";
        else if(weapon == 2)
            return "PAPER";
        else if(weapon == 3)
            return "SCISSOR";
        else
            return "ERROR";
    }
    private String checkWinner(String playerChoice, String enemyChoice)
    {
        if(playerChoice.equalsIgnoreCase(enemyChoice))
            return "TIE";
        else if(playerChoice.equals("ROCK") && enemyChoice.equals("PAPER"))
            return "ENEMY";
        else if(playerChoice.equals("SCISSOR") && enemyChoice.equals("ROCK"))
            return "ENEMY";
        else if(playerChoice.equals("PAPER") && enemyChoice.equals("SCISSOR"))
            return "ENEMY";
        else
            return "PLAYER";
    }
}