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单项选择题 10. public class ClassA {  11. public void count(int i) {  12. count(++i);  13. }  14. }  And:  20. ClassA a = new ClassA();  21. a.count(3);  Which exception or error should be thrown by the virtual machine?() 

A、 StackOverflowError

B、 NullPointerException

C、 NumberFormatException

D、 IllegalArgumentException

E、 ExceptionlnlnitializerError

  • A
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