单项选择题
A. The program prints “0”.
B. The program prints “4”.
C. The program prints “8”.
D. The program prints “12”.
E. The code does not compile.
单项选择题 What is the result?()
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()?
单项选择题 1. class A { 3. public String to String() { 4. return “4”; 5. } 6. } 7. class B extends A { 8. public String toString() { 9. return super.toString() + “3”; 10. } 11. } 12. public class Test { 13. public static void main (String[] args) { 14. System.out.printIn(new B()); 15. } 16. } What is the result()?