Trouble with super()

[mackey333]

Hi all...I am having a strange problem with a class I am working on...any ideas?

import java.io.*;
public class Program extends File
{
	Program(String targetLNK) throws Exception 
	{
		super(targetLNK);
		
		System.out.println(targetLNK);
		
                System.out.println(super.toString());
                System.out.println(super.getAbsolutePath());
         }
}

When I run the constructor and print targetLNK, the file path is printed correctly. However the super.toString() and super.getAbsolutePath() both come back as null. Any thoughts?

-Greg :-Q

 

[timw]

Is the path indicated by the value in targetLNK actually a valid one with respect to the filesystem?

Tim

 

[Diancecht]

What happens if you call those methods outside the constructor, or without super keyword?

Cheers,
Dian

 

[mackey333]

Changing the class to work with a file object instead of super() works perfectly:

import java.io.*;
public class Program
{
	Program(String targetLNK) throws Exception 
	{
		f = new File(targetLNK);
		
		System.out.println(f.getAbsolutePath());
      }
}

Now I am really confused.

-Greg :-Q

 

[mackey333]

Also in the original code, super.getAbsolutePath() and getAbsolutePath() both returned a null value. The same goes for getPath() in both cases (with and without super).

-Greg :-Q

 

[stefanwagner]

Your first code works for me too.

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