import java.util.Calendar; 
import java.util.Date;
import java.time.LocalDate;
import static java.time.DayOfWeek.SUNDAY;
import static java.time.temporal.TemporalAdjusters.previousOrSame;
import static java.time.temporal.TemporalAdjusters.firstDayOfMonth;
 
public class Main{
 
public static void main(String ar[]){
Calendar cal = Calendar.getInstance();
//cal.add(Calendar.MONTH, -1);
cal.set(Calendar.DATE, 1);
Date firstDateOfPreviousMonth = cal.getTime();
System.out.println(firstDateOfPreviousMonth ); 
cal.set(Calendar.DATE, cal.getActualMaximum(Calendar.DATE));
 
Date lastDateOfPreviousMonth = cal.getTime();
LocalDate currentBillingCycleStartDate1 = LocalDate.now().with(firstDayOfMonth());
System.out.println(currentBillingCycleStartDate1 ); 
LocalDate currentBillingCycleStartDate = LocalDate.now().with(previousOrSame(SUNDAY));
System.out.println(currentBillingCycleStartDate ); 
 
}
}

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