Ikk：新頁面: Given that the current directory is empty, and that the user has read and write privileges to the current directory, and the following: 1. import java.io.*; 2. public class Maker{...

2013-03-30T02:57:05Z

新頁面: Given that the current directory is empty, and that the user has read and write privileges to the current directory, and the following: 1. import java.io.*; 2. public class Maker{...

新頁面

Given that the current directory is empty,
and that the user has read and write privileges to the current directory, and the following:
1. import java.io.*;
2. public class Maker{
3. public static void main(String args){
4. File dir = new File("dir");
5. File f = new File(dir, "f");
6. }
7. }

Which statement is true?
A. Compilation fails.
B. Nothing is added to the file system.
C. Only a new file is created on the file system.
D. Only a new directory is created on the file system.
E. Both a new file and a new directory are created on the file system.

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

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

<span style="font-size:medium;"> 解說:
4/5行只是宣告目錄、檔案
真正建立檔案的方法是createNewFile()，例子如145

</span>
</div></div>
{{SCJP 1.6版考題講解}}

SCJP 1.6版考題 151 - 修訂歷史

Ikk：新頁面: Given that the current directory is empty, and that the user has read and write privileges to the current directory, and the following: 1. import java.io.*; 2. public class Maker{...