From 9af04371d3d68aca6fb914a4b00b59fa03505134 Mon Sep 17 00:00:00 2001
From: ankitw12-web <56408001+ankitw12-web@users.noreply.github.com>
Date: Thu, 1 Oct 2020 14:09:14 +0530
Subject: [PATCH 1/2] Create kaprekar.java

---
 kaprekar.java | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 kaprekar.java

diff --git a/kaprekar.java b/kaprekar.java
new file mode 100644
index 0000000..a67a92e
--- /dev/null
+++ b/kaprekar.java
@@ -0,0 +1,54 @@
+// Java program to check if a number is  
+// Kaprekar number or not 
+  
+class GFG  
+{ 
+    // Returns true if n is a Kaprekar number, else false 
+    static boolean iskaprekar(int n) 
+    { 
+        if (n == 1) 
+           return true; 
+       
+        // Count number of digits in square 
+        int sq_n = n * n; 
+        int count_digits = 0; 
+        while (sq_n != 0) 
+        { 
+            count_digits++; 
+            sq_n /= 10; 
+        } 
+       
+        sq_n = n*n; // Recompute square as it was changed 
+       
+        // Split the square at different poitns and see if sum 
+        // of any pair of splitted numbers is equal to n. 
+        for (int r_digits=1; r_digits<count_digits; r_digits++) 
+        { 
+             int eq_parts = (int) Math.pow(10, r_digits); 
+       
+             // To avoid numbers like 10, 100, 1000 (These are not 
+             // Karprekar numbers 
+             if (eq_parts == n) 
+                continue; 
+       
+             // Find sum of current parts and compare with n 
+             int sum = sq_n/eq_parts + sq_n % eq_parts; 
+             if (sum == n) 
+               return true; 
+        } 
+       
+        // compare with original number 
+        return false; 
+    } 
+      
+    // Driver method 
+    public static void main (String[] args) 
+    { 
+        System.out.println("Printing first few Kaprekar Numbers" + 
+                             " using iskaprekar()"); 
+          
+        for (int i=1; i<10000; i++) 
+            if (iskaprekar(i)) 
+                 System.out.print(i + " "); 
+    } 
+} 

From 4be19986de57cb5960bbc3b296af7addc69ae92d Mon Sep 17 00:00:00 2001
From: ankitw12-web <56408001+ankitw12-web@users.noreply.github.com>
Date: Fri, 2 Oct 2020 09:25:18 +0530
Subject: [PATCH 2/2] Update and rename kaprekar.java to KapreKar.java

---
 kaprekar.java => KapreKar.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 rename kaprekar.java => KapreKar.java (99%)

diff --git a/kaprekar.java b/KapreKar.java
similarity index 99%
rename from kaprekar.java
rename to KapreKar.java
index a67a92e..702c7e9 100644
--- a/kaprekar.java
+++ b/KapreKar.java
@@ -1,7 +1,7 @@
 // Java program to check if a number is  
 // Kaprekar number or not 
   
-class GFG  
+class KapreKar
 { 
     // Returns true if n is a Kaprekar number, else false 
     static boolean iskaprekar(int n)