Which statements， when inserted at the indicated position in the following code， will cause a runtime exception when attempting to run the program？（） class A {} class B extends A {} class C extends A {} public class Q3ae4 { public static void main（String args[]） { A x = new A（）； B y = new B（）； C z = new C（）； // insert statement here } } A、x = y；B、z = x；C、y = （B） x；D、z = （C） y；E、y = （A） y；
Which statements， when inserted at the indicated position in the following code， will cause a runtime exception when attempting to run the program？（） class A {} class B extends A {} class C extends A {} public class Q3ae4 { public static void main（String args[]） { A x = new A（）； B y = new B（）； C z = new C（）； // insert statement here } }
- A、x = y；
- B、z = x；
- C、y = （B） x；
- D、z = （C） y；
- E、y = （A） y；
相关考题：
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