java localdate to time in millis code example

Example 1: localdate to date java

// Localdate to Date
Date.from(localdate.atStartOfDay(ZoneId.systemDefault()).toInstant())

Example 2: local date to date java

public LocalDate convertToLocalDateViaInstant(Date dateToConvert) {
    return dateToConvert.toInstant()
      .atZone(ZoneId.systemDefault())
      .toLocalDate();
}