-> Indicar chave e o seu tipo -> Indicar classe de objetos
-> Abstrato -> escritas a itáico (Aluno, toString,clone)
- The top section is used to name the class.
- The second one is used to show the attributes of the class.
- The third section is used to describe the operations performed by the class.
- The fourth section is optional to show any additional components
-> Generalization - herança -> Realization - (Interface Implementation)
- Public (+)
- Private (-)
- Protected (#)
- Package/default (~)

