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全部科目 > Java认证考试 > SCDCD(310-081)

单项选择题

1. class A { 
2. public byte file Number () {
3. return l; 
4. } 
5. } 
6. 
7. Class B extends A { 
8. public short getNumber() { 
9.  return 2; 
10. } 
11. 
12. public short getNumber() { 
13. B b = new B(); 
14. System.out.printIn(b.getNumber()); 
15. } 
16. }  
What is the result()?  

    A. Compilation succeeds and l is printed.
    B. Compilation succeeds and 2 printed.
    C. An error at line 8 cause compilation to fail.
    D. An error at line 14 cause complication to fail.
    E. Complication succeeds but an exception is thrown at line 14.

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