Hero.java

@Entity
public class Hero {
 
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    private Long id;
 
    private String name;
 
    public Long getId() {
        return id;
    }
 
    public void setId(Long id) {
        this.id = id;
    }
 
    public void setName(String name) {
        this.name = name;
    }
     
    public String getName() {
        return name;
    }
}