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Q4 - Stock Open Close Price on Particular Weekdays (www.hackerrank.com)
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import java.io.*; | |
import java.util.*; | |
import java.text.*; | |
import java.math.*; | |
import java.util.regex.*; | |
import java.net.*; | |
import com.google.gson.*; | |
//------ My code ----------- | |
import java.io.InputStreamReader; | |
import java.net.URL; | |
import java.time.DayOfWeek; | |
import java.time.LocalDate; | |
import java.time.Month; | |
import java.time.format.DateTimeFormatter; | |
import java.time.temporal.TemporalAdjusters; | |
public class Solution { | |
/* | |
* Complete the function below. | |
*/ | |
class Result { | |
int page; | |
int per_page; | |
int total; | |
int total_pages; | |
List<Data> data; | |
} | |
class Data { | |
String date; | |
float open; | |
float close; | |
float high; | |
float low; | |
} | |
static void openAndClosePrices(String firstDate, String lastDate, String weekDay) { | |
LocalDate startDay = LocalDate.of(2000, Month.JANUARY, 5); | |
LocalDate endDay = LocalDate.of(2014, Month.JANUARY, 1); | |
DateTimeFormatter timeFormat = DateTimeFormatter.ofPattern("d-MMMM-yyyy", Locale.ENGLISH); | |
// | |
try{ | |
LocalDate date01 = LocalDate.parse(firstDate, timeFormat); | |
LocalDate date02 = LocalDate.parse(lastDate, timeFormat); | |
LocalDate tempDate; | |
String[] contWeekDays = {"Monday","Tuesday","Wednesday","Thursday","Friday","Saturday","Sunday"}; | |
if (date01.isBefore(startDay)) { | |
date01 = startDay;} | |
if (date02.isAfter(endDay)) { | |
date02 = endDay;} | |
if(!Arrays.asList(contWeekDays).contains(weekDay)){ | |
System.out.println("Out of parameters."); | |
} else{ | |
do { | |
tempDate = date01.with(TemporalAdjusters.nextOrSame(DayOfWeek.valueOf(weekDay.toUpperCase()))); | |
URL dataEntry = new URL("https://jsonmock.hackerrank.com/api/stocks/?date="+timeFormat.format(tempDate)); | |
InputStreamReader reader = new InputStreamReader(dataEntry.openStream()); | |
Result result = new Gson().fromJson(reader, Result.class); | |
if ( result.total == 0){ | |
date01 = tempDate.plusWeeks(1); | |
}else { | |
for (Data datas : result.data) { | |
System.out.println(datas.date + " " + datas.open + " " + datas.close); | |
date01 = tempDate.plusWeeks(1); | |
} | |
} | |
}while (date01.isBefore(date02)); | |
} | |
} catch (Exception ex){} | |
} | |
//---- End of my code ---- | |
public static void main(String[] args){ | |
Scanner in = new Scanner(System.in); | |
String _firstDate; | |
try { | |
_firstDate = in.nextLine(); | |
} catch (Exception e) { | |
_firstDate = null; | |
} | |
String _lastDate; | |
try { | |
_lastDate = in.nextLine(); | |
} catch (Exception e) { | |
_lastDate = null; | |
} | |
String _weekDay; | |
try { | |
_weekDay = in.nextLine(); | |
} catch (Exception e) { | |
_weekDay = null; | |
} | |
openAndClosePrices(_firstDate, _lastDate, _weekDay); | |
} | |
} |
https://jsonmock.hackerrank.com/api/stocks/?key=value: This query returns all results where the searched key has an exact matching value.
Shit! I misunderstood this line, didn't know that we can pass the date query param here. Bad luck :(
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@ashutosh049 I will try to figure you logic problem on this. As soon as possible I will answer you back with a solution.