When to create a custom Classloaders? [closed]

Question

Why would you ever need to create a custom Classloaders? A real world example would be great!

Answer 1

Application servers such as Java EE servers and OSGI containers use custom classloader to support updating and removing software dynamically.

Other custom classloaders are used to support dynamic code injections (From Java 5.0 Instrumentation is preferred)

Answer 2

Typical cases are:

• Instrument/Load classes at runtime.

• Load encrypted classes.

• Remote class loading.