第41題Given:1. public class KungFu{2. public static void main(String[] args){3. Integer x = 400;4. Integer y = x;5. x++;6. StringBuilder sb1 = new StringBuilder("123");7. StringBuilder sb2 = sb1;8. sb1.append("5");9. System.out.println((x == y) + " " + (sb1 == sb2));10. }11. }What is the result?SCJP 6.0 認證教戰手冊 黃彬華著 碁峰出版22
(A) true true
(B) false true
(C) true false
(D) false false
(E) Compilation fails.F. An exception is thrown at runtime.