From 0ec0d074cc31549f233547d9eb17c432191634f3 Mon Sep 17 00:00:00 2001
From: Jay Ashokbhai Dangar <jayjaydangar96@gmail.com>
Date: Thu, 14 May 2020 12:49:26 +0530
Subject: [PATCH 1/4] added template

Create Template for I/O.
---
 content/kata/LeapYears.md | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/content/kata/LeapYears.md b/content/kata/LeapYears.md
index 200897e..224d88f 100644
--- a/content/kata/LeapYears.md
+++ b/content/kata/LeapYears.md
@@ -24,3 +24,29 @@ Acceptance Criteria:
 3.	All years divisible by 4 but not by 100 ARE leap years (e.g., 2008, 2012, 2016),
 4.	All years not divisible by 4 are NOT leap years (e.g. 2017, 2018, 2019).
 
+##########################################################################################################################
+
+                                                  Code Starts Here
+
+##########################################################################################################################
+import java.io.*;
+import java.util.*;
+
+Class LeapYearChecker{
+   
+   public static void main(String[] args) throws Exception{ 
+      BufferedReader reader = new BufferedReader(new InputStreamReader(new FileInputStream(args[0])));
+      Stream<String> inputs = reader.lines();
+      Iterator<String> inputLines = inputs.iterator();
+      
+      while(inputLines.hasNext()){
+         
+      } 
+      
+      reader.close();
+   }
+   
+   static boolean isLeapYear(){
+   
+   }
+}

From f163d24f85a35d7d042544f2971c270e760a9dab Mon Sep 17 00:00:00 2001
From: Jay Ashokbhai Dangar <jayjaydangar96@gmail.com>
Date: Thu, 14 May 2020 13:08:32 +0530
Subject: [PATCH 2/4] Code Completed

added Logic part and completed the code.
---
 content/kata/LeapYears.md | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/content/kata/LeapYears.md b/content/kata/LeapYears.md
index 224d88f..22dedf1 100644
--- a/content/kata/LeapYears.md
+++ b/content/kata/LeapYears.md
@@ -40,13 +40,35 @@ Class LeapYearChecker{
       Iterator<String> inputLines = inputs.iterator();
       
       while(inputLines.hasNext()){
+         StringTokenizer tokens = new StringTokenizer(inputLines.next());
+         int year = Integer.parseInt(tokens.nextToken());
+         if(year<0){
+           reader.close();
+           throw new Exception("Year cannot be negative");
+         }
          
+         String printStatementForLeapYear = " is not a Leap Year.";
+         if(isLeapYear(year)){
+           printStatementForLeapYear = " is a Leap Year.";
+         }
+         System.out.println("Year " + year + printStatementForLeapYear);
       } 
       
       reader.close();
    }
    
-   static boolean isLeapYear(){
-   
+   static boolean isLeapYear(int year){
+     if(year % 400 == 0){
+      return true;
+     }
+     else if(year % 100 == 0){
+      return false;
+     }
+     else if(year % 4 ==0 ){
+      return true;
+     }
+     else {
+      return false;
+     }
    }
 }

From ec034de5a937d4a85e6661ea44482024408ef604 Mon Sep 17 00:00:00 2001
From: Jay Ashokbhai Dangar <jayjaydangar96@gmail.com>
Date: Thu, 14 May 2020 13:35:25 +0530
Subject: [PATCH 3/4] Logic change for safety

Simplified the logic
---
 content/kata/LeapYears.md | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/content/kata/LeapYears.md b/content/kata/LeapYears.md
index 22dedf1..2c619d8 100644
--- a/content/kata/LeapYears.md
+++ b/content/kata/LeapYears.md
@@ -58,17 +58,12 @@ Class LeapYearChecker{
    }
    
    static boolean isLeapYear(int year){
-     if(year % 400 == 0){
-      return true;
-     }
-     else if(year % 100 == 0){
+     if(year%4!= 0){
       return false;
      }
-     else if(year % 4 ==0 ){
-      return true;
-     }
-     else {
+     else if(year % 100 == 0 && year%400!=0){
       return false;
      }
+     return true;
    }
 }

From fad2577c9f493099f674a84ada2e00556b536304 Mon Sep 17 00:00:00 2001
From: Jay Ashokbhai Dangar <jayjaydangar96@gmail.com>
Date: Thu, 14 May 2020 14:18:20 +0530
Subject: [PATCH 4/4] Adding Support for big values

Can able to work with big numbers, without restrictions on the length of the inputs.
---
 content/kata/LeapYears.md | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/content/kata/LeapYears.md b/content/kata/LeapYears.md
index 2c619d8..980adc0 100644
--- a/content/kata/LeapYears.md
+++ b/content/kata/LeapYears.md
@@ -41,8 +41,8 @@ Class LeapYearChecker{
       
       while(inputLines.hasNext()){
          StringTokenizer tokens = new StringTokenizer(inputLines.next());
-         int year = Integer.parseInt(tokens.nextToken());
-         if(year<0){
+         BigInteger year = new BigInteger(tokens.nextToken());
+         if(year.compareTo(BigInteger.ZERO)==-1){
            reader.close();
            throw new Exception("Year cannot be negative");
          }
@@ -57,11 +57,11 @@ Class LeapYearChecker{
       reader.close();
    }
    
-   static boolean isLeapYear(int year){
-     if(year%4!= 0){
+   static boolean isLeapYear(BigInteger year){
+     if(year.remainder(new BigInteger("4"))!= BigInteger.ZERO){
       return false;
      }
-     else if(year % 100 == 0 && year%400!=0){
+     else if(year.remainder(new BigInteger("100"))==BigInteger.ZERO && year.remainder(new BigInteger("400"))!=BigInteger.ZERO){
       return false;
      }
      return true;