class C {
    int foo(int a) {
        switch (a) {
            case 1:
                System.out.println("1");
                return 1;
            case 2:
                System.out.println("2");
                return 2;
            case 3:
                System.out.println("3");
                throw new RuntimeException();
            default:
                System.out.println("default");
                return 0;
        }
    }
}