Merge pull request ronijpandey#18 from atabunnu/master

ronijpandey · web-flow · commit e35817e1c1d6 · 2017-10-30T12:32:34.000+05:30
Commented DigitalMax.java
diff --git a/DigitalMax.java b/DigitalMax.java
@@ -3,34 +3,49 @@
 import java.util.*;
 
 public class DigitalMax {
-
-    public static void main(String[] agrs) {
-        Scanner in = new Scanner(System.in);
+    
+    public static void main(String[] agrs)
+    {
+        Scanner in =new Scanner(System.in);
+        
         //User will enter a number
         System.out.println("Enter a number :");
-
-        int n = in.nextInt();
-
-        int temp = 0, a;
-
-        int[] arr = {8, 9, 8, 9, 9, 9, 8, 9, 8, 9};
-
-        while (n > 0) {
-            a = n % 10;
-
-            temp = temp * 10 + arr[a];
-
-            n = n / 10;
+        
+        int n=in.nextInt();
+        
+        //set 'temp', 'a' counter to 0
+        int temp=0,a;
+        
+        //initializing the array
+        int[] arr={8,9,8,9,9,9,8,9,8,9};
+        
+        //if user enters a positive figure
+        while(n>0)
+            
+        {
+            //remainder of 'a'
+        	a=n%10;
+            
+        	//get array value accordingly of it's index
+            temp=temp*10+arr[a];
+            
+            n=n/10;
         }
-        int ans = 0;
-
-        while (temp > 0) {
-            a = temp % 10;
-
-            ans = ans * 10 + a;
-
-            temp = temp / 10;
+        
+        //declaring answer variable
+        int ans=0;
+        
+        while(temp>0)
+        {
+        	//calculating remainder of a
+            a=temp%10;
+            
+            //calculating answer
+            ans=ans*10+a;
+            
+            temp=temp/10;
         }
-        System.out.println("Maximum no:" + " " + ans);
+        //answer prompt
+        System.out.println("Maximum no:"+" "+ans);
     }
-}
+}
