WebScrape.java

import org.jsoup.nodes.*;
import org.jsoup.*;

public class WebScrape {
 public static void main(String[] args) {

 int total = 0; //Variable to store total number of cases
 Stack<String> myStack = new Stack<String>(); //Stack to store all the data of date and cases

 String country = args[0]; //First user-entered argument specifies the country
 int days = Integer.parseInt(args[1]); //Second user-entered argument specifies the number of days

 final String url = "https://www.google.com/search?q="+country+"+corona+cases"; //URL to search

 try {
 final Document myDoc = Jsoup.connect(url).get();

 for (Element list : myDoc.select("div.FMJSFf ol li")) { //Select all the elements beginning with <li> inside <ol> under div class='FMJSFf'
 myStack.push(list.toString().replace("<li>", "").replace("</li>","")); //Removes <li>and</li> from results obtained and push it into stack
 }

 if (days > myStack.size())
 days = myStack.size();

 System.out.println("\nListed below is the number of new cases each day in "+country+" for the past "+days+" days:");
 for (int i=0; i < days; i++) { //Pops x entry from the stack, returning the cases each day and accumulates total cases
 String data = myStack.pop();
 System.out.println(data); //Prints out 'numberOfCases on date'
 total += Integer.parseInt((data.split(" on ")[0]).replaceAll(",","")); //Data obtained is in the form 'numberOfCases on date', hence split the string to {numberOfCases, date} and convert numberOfCases to Integer
 }
 System.out.println("The total number of cases for the past "+days+" days is "+total+".");

 } catch(Exception ex) {
 ex.printStackTrace();
 }
 }

}