Can you please explain why true,2,12 is the correct answer?

What would be printed when the main method is executed? class Q3 f A a1- new A0: boolean val1 a1.m0: A: false, 2, 12 B: false, 12,2 C: false, 12, 12 D: true, 2, 2 E: true, 2, 12 F: true, 12,2 Iface i1 new B0: int val2 i1.n0: Iface 12 a1 int val3 12.n0: public static void main(Stringl args)( Q3 q a new Q30: System.outprintin(q.val1q.val2 + ., + q.val3)