improve readability

Author: justcoding121

src/Advanced.Algorithms/DataStructures/Tree/B+Tree.cs

@@ -9,7 +9,8 @@ namespace Advanced.Algorithms.DataStructures
     /// </summary>
     public class BpTree<T> : IEnumerable<T> where T : IComparable
     {
-        public int Count { get; private set; }
+        private readonly int maxKeysPerNode;
+        private readonly int minKeysPerNode;
 
         internal BpTreeNode<T> Root;
 
@@ -21,8 +22,7 @@ public class BpTree<T> : IEnumerable<T> where T : IComparable
         internal BpTreeNode<T> BottomLeftNode;
         internal BpTreeNode<T> BottomRightNode;
 
-        private readonly int maxKeysPerNode;
-        private readonly int minKeysPerNode;
+        public int Count { get; private set; }
 
         public BpTree(int maxKeysPerNode = 3)
         {

src/Advanced.Algorithms/DataStructures/Tree/BTree.cs

@@ -11,7 +11,7 @@ namespace Advanced.Algorithms.DataStructures
     public class BTree<T> : IEnumerable<T> where T : IComparable
     {
         private readonly int maxKeysPerNode;
-        private int minKeysPerNode;
+        private readonly int minKeysPerNode;
 
         internal BTreeNode<T> Root;