Get date of last month

import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;

public final class DateUtils {

  public static Date getLastMonth() {
    GregorianCalendar dayBeforeThisMonth = new GregorianCalendar();
    dayBeforeThisMonth.set(Calendar.DATE, 1);
    dayBeforeThisMonth.add(Calendar.DATE, -1);
    return dayBeforeThisMonth.getTime();
  }

}