SCJP題庫第033題


2. public class Hi{
3.   void m1(){}
4.   protected void m2(){}
5. }
6. class Lois extends Hi{
7.   //insert code here
8. }
Which four code fragments, inserted independently at line 7, will compile? (Choose four.)
A. public void m1(){}
B. protected void m1(){}
C. private void m1(){}
D. void m2(){}
E. pubic void m2(){}
F. protected void m2(){}
G. private void m2(){}

Ans:A B E F

說:overridding規則

Comments

Popular posts from this blog

Android+Google Map API v3 Geocoding(地址轉經緯度度