Abstract builder

AbstractEmployee.java

public static abstract class Builder<T> {
        private String name;
        private String surname;
        private String email;
        private String nationality;
        private Sex sex;
        private String academy;
        private Role role;

        public Builder<T> sex(Sex sex) {
            this.sex = sex;
            return this;
        }

        public Builder<T> academy(String academy) {
            this.academy = academy;
            return this;
        }

        public Builder<T> role(Role role) {
            this.role = role;
            return this;
        }
        
        public void setName(String name) {
            this.name = name;
        }

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

        public void setEmail(String email) {
            this.email = email;
        }

        public void setNationality(String nationality) {
            this.nationality = nationality;
        }

        public abstract T build();

    }