Works for Java 8 and above. For Java 7 and before, see this legacy version https://gist.github.com/dblevins/03df3cd5eb12f2da05997eef80ac4eca

Dates.java

import java.time.LocalDate;
import java.time.ZoneId;
import java.time.format.DateTimeFormatter;
import java.util.Date;

/**
 * This pattern has the following benefits:
 *
 *  - Date formats are referenced as a strong type
 *  - Code completion on patterns
 *  - Patterns can be javadoc'ed
 */
public enum Dates {

    /**
     * <p>Format: yyyy-MM-dd</p>
     * <p>Example: 2022-03-30</p>
     */
    yyyy_MM_dd("yyyy-MM-dd"),
    
    /**
     * <p>Format: MMM dd, yyyy</p>
     * <p>Example: Mar 30, 2022</p>
     */
    MMM_dd_yyyy("MMM dd, yyyy");

    private final DateTimeFormatter formatter;

    Dates(final String formatString) {
        formatter = DateTimeFormatter.ofPattern(formatString);
    }

    public LocalDate parse(final String string) {
        return LocalDate.parse(string, formatter);
    }

    public String format(final LocalDate date) {
        return formatter.format(date);
    }

    public Date parseDate(final String string) {
        return Date.from(parse(string).atStartOfDay()
                .atZone(ZoneId.systemDefault())
                .toInstant());
    }

    public String format(final Date date) {
        return format(date.toInstant()
                .atZone(ZoneId.systemDefault())
                .toLocalDate());
    }
}

DatesTest.java

import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;

import java.time.LocalDate;
import java.util.stream.Stream;

import static org.junit.jupiter.params.provider.Arguments.arguments;

public class DatesTest {

    private static Stream<Arguments> data() {
        return Stream.of(
                arguments(Dates.yyyy_MM_dd, "2022-03-30"),
                arguments(Dates.MMM_dd_yyyy, "Mar 30, 2022")
        );
    }

    @ParameterizedTest
    @MethodSource("data")
    public void parse(final Dates dateEnum, final String dateString) {

        final LocalDate expected = LocalDate.of(2022, 3, 30);
        final LocalDate actual = dateEnum.parse(dateString);

        Assertions.assertEquals(expected, actual);
    }

    @ParameterizedTest
    @MethodSource("data")
    public void format(final Dates dateEnum, final String expected) {

        final LocalDate date = LocalDate.of(2022, 3, 30);
        final String actual = dateEnum.format(date);

        Assertions.assertEquals(expected, actual);
    }

}