Re: A strange behaviour of a File property
ale...@inwind.it wrote:
I've written this toy-code to test the funcionality of the File class
and I've found a strange behaviour.
My code works only with the dot directory (the directory where the
Main.class is contained) and it doesn't with any other. What's the
problem?
What *precisely* are the symptoms when it doesn't work, and what values other than "." have you tried?
It's difficult to help when you're vague about the problem.
here is the code
<cut here>
import java.io.*;
public class Main {
public static void main(String[] args){
File f = new File("."); // try to change the path
DO NOT INDENT USENET POSTS WITH TAB CHARACTERS!
If you're asking the world of strangers to help, please do try to make it easy to read your code.
Use spaces to indent, up to four per level.
File[] file_array = null;'
String[] content = null;
content = f.list();
Why not 'String[] content = f.list();'?
Extra asssignments to 'null' are not helpful.
file_array = new File[content.length];
boolean[] bool_array1 = new boolean[content.length];
boolean[] bool_array2 = new boolean[content.length];
for(int i=0; i<content.length; i++){
file_array[i] = new File("." + "\\" + content[i]);
Does 'content[i]' contain what you expect?
bool_array1[i] = file_array[i].isDirectory();
bool_array2[i] = file_array[i].isFile();
This value is not used?
System.out.println(content[i] + "\tis a directory?: " +
bool_array1[i]);
}
}
}
What are your outputs in the scenario that "works" (and what does "works" mean?) and in the scenario that doesn't?
--
Lew
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