Nested classes are classes that are declared as members of other classes or scopes. Nesting classes is one way to better organize your code. For example, say you have a non-nested class (also known as ...

For this exercise you will need your Album and Song classes from the Playlist Coding Exercise. The Album class will be modified to use an inner class called SongList which will replace the ArrayList ...

Lets have this configuration class. I removed all the bean-method content because its not needed for the issue description. Caused by: org.springframework.beans ...