JAVA

randpm years java

long aDay = TimeUnit.DAYS.toMillis(1);
long now = new Date().getTime();
Date hundredYearsAgo = new Date(now - aDay * 365 * 100);
Date tenDaysAgo = new Date(now - aDay * 10);
Date random = LegacyRandomDateTimes.between(hundredYearsAgo, tenDaysAgo);
assertThat(random).isBetween(hundredYearsAgo, tenDaysAgo);

random years java

import java.time.LocalDate;

public class RandomDates {
    public static void main(String[] args) {
        for (int i = 0; i < 10; i++) {
            LocalDate randomDate = createRandomDate(1900, 2000);
            System.out.println(randomDate);
        }
    }

    public static int createRandomIntBetween(int start, int end) {
        return start + (int) Math.round(Math.random() * (end - start));
    }

    public static LocalDate createRandomDate(int startYear, int endYear) {
        int day = createRandomIntBetween(1, 28);
        int month = createRandomIntBetween(1, 12);
        int year = createRandomIntBetween(startYear, endYear);
        return LocalDate.of(year, month, day);
    }
}