Merge pull request #1159 from zackmolt/zackmolt-java

add hacktober21 remaining time with java

Contributors.html

@@ -437,8 +437,11 @@
       <a class="box-item" href="https://github.com/Meenu-github"><span>Meenu Singh</span></a>
       <a class="box-item" href="https://github.com/Japoncio3k"><span>Gustavo Kamihara</span></a>
       <a class="box-item" href="https://github.com/Rishu1018"><span>Gustavo Rishu Yadav</span></a>
+
       <a class="box-item" href="https://github.com/ParthJohri"><span>Parth Johri</span></a>
       <a class="box-item" href="https://github.com/amansaini01"><span>Aman saini</span></a>
+     <a class="box-item" href="https://github.com/zackmolt"><span>Fikri Haikal</span></a>
+
 
       <!-- Please maintain the alignment... -->
 

Program's_Contributed_By_Contributors/Java_Programs/Misc/HackRemainingTime.java

@@ -0,0 +1,74 @@
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Scanner;
+
+public class HackRemainingTime {
+
+    final static String deadlineTime = "2021-10-31 23:59:59";
+    final static SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+    final static Scanner sc = new Scanner(System.in);
+
+    public static void main(String[] args) {
+        process();
+    }
+
+    private static void process(){
+        Long timeRemaining = getTimeRemaining();
+        if(timeRemaining!=null && timeRemaining > 0){
+            System.out.println("Come on! Hacktoberfest 2021 is ended in "+getReadableTime(timeRemaining));
+            System.out.println("\n\n\nReset Time.... (y/n)");
+            String in = sc.nextLine();
+            if(in.equals("y")){
+                cleaLine();
+                process();
+            }
+        }else{
+            System.out.println("You're late :(, see ya next year :D");
+        }
+    }
+
+    private static String getReadableTime(Long timeRemaining){
+        int dayMillis = 1000 /* 1s */ * 60 /* 1m */ * 60 /* 1h */ * 24 /* 1d */;
+        int resultDay = (int)(timeRemaining/dayMillis);
+
+        Long mod1 = timeRemaining %dayMillis;
+
+        int hourMillis = 1000/* 1s */ * 60 /* 1m */ * 60 /* 1h */;
+        int resultHour = (int) (mod1/hourMillis);
+
+        Long mod2 = timeRemaining %hourMillis;
+
+        int minMillis = 1000 /* 1s */ * 60 /* 1m */ ;
+        int resultMin = (int) (mod2/minMillis);
+
+        Long mod3 = mod2%minMillis;
+
+        int secMillis = 1000 /* 1s */  ;
+        int resultSec= (int) (mod3/secMillis);
+
+        return resultDay+" day(s) "+resultHour+" hour(s) "+resultMin+" minute(s) "+resultSec+" second(s) ";
+    }
+
+    private static Long getTimeRemaining(){
+        Long remainingTime = null;
+        try {
+            Date deadline = sdf.parse(deadlineTime);
+            Calendar deadlineCal = Calendar.getInstance();
+            deadlineCal.setTime(deadline);
+            Calendar now = Calendar.getInstance();
+
+            remainingTime = deadlineCal.getTimeInMillis()- now.getTimeInMillis();
+        } catch (ParseException e) {
+            e.printStackTrace();
+        }
+        return remainingTime;
+    }
+
+    private static void cleaLine(){
+        System.out.println("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
+    }
+
+}