 or mapped superclass to denote a composite primary 
 key that is an embeddable class. The embeddable class 
 must be annotated as <a href="../../jakarta/persistence/Embeddable.html" title="annotation in jakarta.persistence"><code>Embeddable</code></a>. 

 <p> There must be only one <code>EmbeddedId</code> annotation and
 no <code>Id</code> annotation when the <code>EmbeddedId</code> annotation is used.

 <p> The <a href="../../jakarta/persistence/AttributeOverride.html" title="annotation in jakarta.persist