Ikk：新頁面: Given: 11. String test = "This is a test"; 12. String[] tokens = test.split(“\s"); 13. System.out.println(tokens.length); What is the result? A. 0 B. 1 C. 4 D. Compila...

2013-03-30T01:56:44Z

新頁面: Given: 11. String test = "This is a test"; 12. String[] tokens = test.split(“\s"); 13. System.out.println(tokens.length); What is the result? A. 0 B. 1 C. 4 D. Compila...

新頁面

Given:
11. String test = "This is a test";
12. String[] tokens = test.split(“\s");
13. System.out.println(tokens.length);

What is the result?
A. 0
B. 1
C. 4
D. Compilation fails.
E. An exception is thrown at runtime.

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

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<span style="font-size: medium;">Ans: D </span>

<span style="font-size:medium;"> 解說:
\s倒斜線是表示逸出字元，在C/Java裏沒有定義\s這個逸出字元，程式改成：
class test{
public static void main(String[] args) {
String test = "This is a test";
String[] tokens = test.split(" ");
System.out.println(tokens.length);
}
}
</span>
</div></div>
{{SCJP 1.6版考題講解}}

SCJP 1.6版考題 177 - 修訂歷史

Ikk：新頁面: Given: 11. String test = "This is a test"; 12. String[] tokens = test.split(“\s"); 13. System.out.println(tokens.length); What is the result? A. 0 B. 1 C. 4 D. Compila...