StudentsEntity.java

package Entity;

import javax.persistence.*;

@Entity
@Table(name = "students", schema = "main", catalog = "")
public class StudentsEntity {
    private short id;
    private String name;
    private String surname;

    @Id
    @Column(name = "id", nullable = false)
    public short getId() {
        return id;
    }

    public void setId(short id) {
        this.id = id;
    }

    @Basic
    @Column(name = "name", nullable = false, length = -1)
    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    @Basic
    @Column(name = "surname", nullable = false, length = -1)
    public String getSurname() {
        return surname;
    }

    public void setSurname(String surname) {
        this.surname = surname;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;

        StudentsEntity that = (StudentsEntity) o;

        if (id != that.id) return false;
        if (name != null ? !name.equals(that.name) : that.name != null) return false;
        if (surname != null ? !surname.equals(that.surname) : that.surname != null) return false;

        return true;
    }

    @Override
    public int hashCode() {
        int result = (int) id;
        result = 31 * result + (name != null ? name.hashCode() : 0);
        result = 31 * result + (surname != null ? surname.hashCode() : 0);
        return result;
    }
}