Question

I have this test app:

import java.applet.*; import java.awt.*; import java.net.URL; public class Test extends Applet {      public void init()     {         URL some=Test.class.getClass().getClassLoader().getResource('/assets/pacman.png');         System.out.println(some.toString());         System.out.println(some.getFile());         System.out.println(some.getPath());      } } 

When I run it from Eclipse, I get the error:

java.lang.NullPointerException     at Test.init(Test.java:9)     at sun.applet.AppletPanel.run(Unknown Source)     at java.lang.Thread.run(Unknown Source) 

Classpath (from .CLASSPATH file)

<classpathentry kind='src' path='src'/> 

In my c:\project\src folder, I have only the Test.java file and the ‘assets’ directory which contains pacman.png.

What am I doing wrong and how to resolve it?

Answer 1

I would do it this way:

final InputStream stream;  stream = Test.class.getResourceAsStream('assets/pacman.png'); System.out.println('Stream = ' + stream); 

‘/assets/pacman.png’ is an absolute location whle ‘assets/pacman.png’ is a relative location.