Ikk：新頁面: 1. public class Barn{ 2. public static void main(String[] args){ 3. new Barn.go("hi", 1); 4. new Barn.go("hi", "world", 2); 5. } 6. public void go(String... y, int ...

2013-03-30T08:48:56Z

新頁面: 1. public class Barn{ 2. public static void main(String[] args){ 3. new Barn.go("hi", 1); 4. new Barn.go("hi", "world", 2); 5. } 6. public void go(String... y, int ...

新頁面

1. public class Barn{
2. public static void main(String[] args){
3. new Barn.go("hi", 1);
4. new Barn.go("hi", "world", 2);
5. }
6. public void go(String... y, int x){
7. System.out.print(y[y.length-1] + " ");
8. }
9. }

What is the result?
A. hi hi
B. hi world
C. world world
D. Compilation fails.
E. An exception is thrown at runtime

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<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:
public void go(String... y, int x){
不定數量的參數必須寫在參數列的後面，上式需改為
public void go(int x , String... y){
</span>
</div></div>
{{SCJP 1.6版考題講解}}

SCJP 1.6版考題 013 - 修訂歷史

Ikk：新頁面: 1. public class Barn{ 2. public static void main(String[] args){ 3. new Barn.go("hi", 1); 4. new Barn.go("hi", "world", 2); 5. } 6. public void go(String... y, int ...