试题详情
- 单项选择题 class A { public String toString () { return “4”; } } class B extends A { 8. public String toString () { return super.toString() + “3”; } } public class Test { public static void main(Stringargs) { System.out.printIn(new B()); } } What is the result?()
A、 Compilation succeeds and 4 is printed.
B、 Compilation succeeds and 43 is printed.
C、 An error on line 9 causes compilation to fail.
D、 An error on line 14 causes compilation to fail.
E、 Compilation succeeds but an exception is thrown at line 9.
- B
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