Q4 - Stock Open Close Price on Particular Weekdays (www.hackerrank.com)

openAndClosePrices.java

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);
        
    }
}

String[] contWeekDays = {"Monday","Tuesday","Wednesday","Thursday","Fryday","Saturday","Sunday"};

It should be "Friday", as per the question. Your solution had some partial failures, do not know why.

Can you please point out failures in my sol. It passed 4/10 with partial failure in 1.

@ashutosh049 thanks for see it type mistake.

About your code, have you imported the gson library to you project prior to run it?
In case of negative answer, get it here: https://search.maven.org/remotecontent?filepath=com/google/code/gson/gson/2.8.5/gson-2.8.5.jar

yes, there is no problem with the library but with the logic

yes, there is no problem with the library but with the logic

@ashutosh049 I will try to figure you logic problem on this. As soon as possible I will answer you back with a solution.

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 :(