試題詳解

複選題
第16題 Given: 5. class Atom{ 6. Atom(){System.out.print("atom ");} 7. } 8. class Rock extends Atom{ 9. Rock(String type){System.out.print(type);} 10. } 11. public class Mountain extends Rock{ 12. Mountain(){ 13. super("granite "); 14. new Rock("granite "); 15. } 16. public static void main(String[] a){new Mountain();} 17. } What is the result? A
(B) Compilation fails. A
(C) atom granite A
(D) granite granite A
(E) atom granite granite B
(C) An exception is thrown at runtime. B
(D) atom granite atom granite 答案：F