public class Album $\{$

$//$The GeneratedValue annotation allows for Spring to automatically generate a unique ID$.$

$$ @Id

$$ @GeneratedValue$($strategy $=$ GenerationType.IDENTITY$)$

$$ private long albumId;

$$ private String title;

$/**$

$*$ Review the other model classes to see examples of annotations that link entities.

$*/$

$$

$$ private Artist artist;

$/**$

$*$ Review the other model classes to see examples of annotations that link entities.

$*/$

$$ private List songs;

$$ public Album$($String title$)\{$

$$ this.title $=$ title;

$\}$

$/**$

$*$ A custom toString$()$ is provided that avoids recursively serializing related entities.

$*/$

$$ @Override

$$ public String toString$()\{$

$$ return "Album$\{"+$

$$ "albumId$="+$ albumId $+$

$",$ title$=\text{'}"+$ title $+\text{'}\backslash \text{'}\text{'}+$

$\text{'}\}\text{'}$;

$\}$

$\}$