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Java / Object, Class and Package

Why Custom ClassLoader is required in Java?

Java default ClassLoader is sufficient to load files from local file system that helps most of the cases. In a scenario where we expect a class at the runtime or from FTP server or via third party web service at the time of loading the class then It may be required to create custom loader by extending the existing class loader. For example, AppletViewers load the classes from remote web server.

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