Difference between AppClassloader and SystemClassloader

Question

I am so confused about these two class loaders. When talking about the hierarchy of Java class loaders, usually the bootstrap classloader and ext class loader and the third one

Answer 1

System class loader is a different name for Application class loader.

Source: https://blogs.oracle.com/sundararajan/entry/understanding_java_class_loading

Application class loader ... is also (confusingly) called as "system class loader" - not to be confused with bootstrap loader which loads Java "system" classes.