Dynamic Proxy - Class Loader parameter when creating a new proxy instance

Question

I was wondering about when you call the newProxyInstance method when creating a dynamic proxy instance, what exactly is the ClassLoader argument for?

public static Object newProxyInstance(ClassLoader loader, Class<?>[] interfaces, InvocationHandler h) throws IllegalArgumentException

Many thanks!

P.S. I'm not sure how to use the code formatting tags correctly.

possible duplicate of stackoverflow.com/q/5480003

wlnirvana
– wlnirvana

2020-04-18 00:51:47 +00:00
Commented Apr 18, 2020 at 0:51 — wlnirvana
– wlnirvana, Commented Apr 18, 2020 at 0:51

kschneid · Accepted Answer · 2011-02-17 19:51:23Z

3

The documentation for newProxyInstance defines its use to be equivalent to:

Proxy.getProxyClass(loader, interfaces).
    getConstructor(new Class[] { InvocationHandler.class }).
    newInstance(new Object[] { handler });

So, if you want a bit more detail about loader, you can look at the documentation for getProxyClass. Basically, it just serves as the class loader that defines the generated proxy class.

answered Feb 17, 2011 at 19:51

kschneid

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