试题详情
- 单项选择题 11.classa { 12. public void process() { System.out.print(”a,”); } } 13. class b extends a { 14. public void process() throws IOException { 15. super.process(); 16. System.out.print(”b,”); 17. throw new IOException(); 18. } } 19. public static void main(String[] args) { 20. try { new b().process(); } 21. catch (IOException e) { System.out.println(”Exception”); } } What is the result?()
A、 Exception
B、 a,b,Exception
C、 Compilation fails because of an error in line 20.
D、 Compilation fails because of an error in line 14.
E、 A NullPointerException is thrown at runtime.
- D
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