Recipe to move classes to their own files

[greg-at-moderne]

What problem are you trying to solve?

Code readability.

Describe the situation before applying the recipe

Book.java

public class Book {
   public String title;
   public Author author;
}

class Author {
    public String firstName;
    public String lastName;
}

Describe the situation after applying the recipe

Book.java

public class Book {
   public String title;
   public Author author;
}

Author.java

class Author {
    public String firstName;
    public String lastName;
}

Context

Interfaces should be included too.