Error appears that java beginner} is omitted

import java.util.*;
class bsh.21.02.19 {
    public static void main(String[] args) {
        int user = 0, com;

        user = inputMethod(user);
        com = randomMethod();

        System.out.println ("You are " + user + "") + (user + 1));
        System.out.println ("Com is " + com + ""; + (com + 1));

        judgeMethod(user, com);
    }

    static void judgeMethod(int user, int com) {
        switch(user-com) {
            case 2: case -1:
                System.out.println ("Lost";
                break;
            case 1: case -2:
                System.out.println ("I won";
                break;
            case 0:
                System.out.println ("It's tied";
                break;
        }
    }

    static int randomMethod() {
        int com = 0;
        com = (int)(Math.random() * 3) + 1;
        System.out.println("com = " + com);
        checkRangeMethod(com);
        return com;
    }

    static int inputMethod(int user) {
        System.out.print ("Scissors (1), Rock (2), Beam (3)");
        Scanner scanner = new Scanner(System.in);
        String tmp = scanner.nextLine();
        user = Integer.parseInt(tmp);

        checkRangeMethod(user);

        return user;
    }

    static void checkRangeMethod(int user) {
        if(user < 1 || user > 3) {
            System.out.println ("Please re-enter". : ");
            System.exit(0);
        }
    }
}