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Why Does getClass().getResource() Fail to Find My Resource?

Linda Hamilton
Linda HamiltonOriginal
2024-11-08 17:52:02629browse

Why Does getClass().getResource() Fail to Find My Resource?

Loading Resources Using getClass().getResource()

Question:

When attempting to load an image for an application icon using getClass().getResource(path), the result is null. However, loading the image with an explicit path works. Why does getClass().getResource() fail to find the resource?

Answer:

getClass().getResource(path) does not load resources from the filesystem path specified by path. Instead, it searches for resources within the classpath.

The classpath is a directory structure that contains the class files and any associated resources required by your application. It includes the classes that you have compiled, as well as any libraries that you have added to the project.

When you specify a resource path to getClass().getResource(path), the method searches for the resource within the classpath, not on the filesystem. This means that the resource must be located in one of the classpath directories or within a JAR file that is referenced by the classpath.

To load a file from the filesystem, use a different method such as java.io.File.

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