Streams - Beginning Java 8 Language Features - page 600

public Gender getGender() {
return gender;
}
public boolean isMale() {
return this.gender == Gender.MALE;
}
public boolean isFemale() {
return this.gender == Gender.FEMALE;
}
public void setGender(Gender gender) {
this.gender = gender;
}
public LocalDate getDob() {
return dob;
}
public void setDob(LocalDate dob) {
this.dob = dob;
}
public double getIncome() {
return income;
}
public void setIncome(double income) {
this.income = income;
}
public static List<Person> persons() {
Person ken = new Person(1, "Ken", Gender.MALE,
LocalDate.of(1970, Month.MAY, 4), 6000.0);
Person jeff = new Person(2, "Jeff", Gender.MALE,
LocalDate.of(1970, Month.JULY, 15), 7100.0);
Person donna = new Person(3, "Donna", Gender.FEMALE,
LocalDate.of(1962, Month.JULY, 29), 8700.0);
Person chris = new Person(4, "Chris", Gender.MALE,
LocalDate.of(1993, Month.DECEMBER, 16), 1800.0);
Person laynie = new Person(5, "Laynie", Gender.FEMALE,
LocalDate.of(2012, Month.DECEMBER, 13), 0.0);
Person lee = new Person(6, "Li", Gender.MALE,
LocalDate.of(2001, Month.MAY, 9), 2400.0);
// Create a list of persons
List<Person> persons = Arrays.asList(ken, jeff, donna, chris, laynie, lee);
return persons;
}