Ikk：新頁面: 1. public class Base{ 2. public static final String FOO = "foo"; 3. public static void main(String[] args){ 4. Base b = new Base(); 5. Sub s = new Sub(); 6. Syste...

2013-03-30T08:15:05Z

新頁面: 1. public class Base{ 2. public static final String FOO = "foo"; 3. public static void main(String[] args){ 4. Base b = new Base(); 5. Sub s = new Sub(); 6. Syste...

新頁面

1. public class Base{
2. public static final String FOO = "foo";
3. public static void main(String[] args){
4. Base b = new Base();
5. Sub s = new Sub();
6. System.out.print(Base.FOO);
7. System.out.print(Sub.FOO);
8. System.out.print(b.FOO);
9. System.out.print(s.FOO);
10. System.out.print(((Base)s).FOO);
11. }
12.}
13.class Sub extends Base{public static final String FOO = "bar";}

What is the result?
A. foofoofoofoofoo
B. foobarfoobarbar
C. foobarfoofoofoo
D. foobarfoobarfoo
E. barbarbarbarbar
F. foofoofoobarbar
G. foofoofoobarfoo

<div class="toccolours mw-collapsible mw-collapsed">
<span style="font-size:medium;">解答</span>

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<div class="mw-collapsible-content">
<span style="font-size: medium;">Ans: D </span>

<span style="font-size:medium;"> 解說:
FOO皆是類別成員，存取時以參考的型態為主
</span>
</div></div>
{{SCJP 1.6版考題講解}}

SCJP 1.6版考題 031 - 修訂歷史

Ikk：新頁面: 1. public class Base{ 2. public static final String FOO = "foo"; 3. public static void main(String[] args){ 4. Base b = new Base(); 5. Sub s = new Sub(); 6. Syste...