public static void test(String str) { int check = 4; if (check = str.length()) { System.out.print(str.charAt(check -= 1) +“, “); } else { System.out.print(str.charAt(0) + “, “); } } and the invocation: test(”four”); test(”tee”); test(”to”); What is the result?()
A. r, t, t,
B. r, e, o,
Compilation fails.
D. An exception is thrown at runtime.