Modify java file names starting with a,b,c

Java/arithmetic-subarrays.java → Java/Arithmetic-Subarrays.java

@@ -66,4 +66,4 @@ public List<Boolean> checkArithmeticSubarrays(int[] nums, int[] l, int[] r) {
 
         return res;
     }
-}
+}

Java/binary-tree-inorder-traversal.java → Java/Binary-Tree-Inorder-Traversal.java

@@ -34,4 +34,4 @@ public void inorder(TreeNode root, List<Integer> list){
 	/* Recurse for right subtree */
         inorder(root.right, list);
     }
-}
+}

Java/binary-tree-postorder-traversal.java → Java/Binary-Tree-Postorder-Traversal.java

@@ -34,4 +34,4 @@ public void postorder(TreeNode root){
 	/* Add the current node's value to the list */
         list.add(root.val);
     }
-}
+}

Java/binary-tree-preorder-traversal.java → Java/Binary-Tree-Preorder-Traversal.java

@@ -34,4 +34,4 @@ public void preorder(TreeNode root, List<Integer> ls){
 	/* Recurse for right subtree */
         preorder(root.right, ls);
     }
-}
+}

Java/buddy-strings.java → Java/Buddy-Strings.java

@@ -47,4 +47,4 @@ else if(count == 1){
         }
         return false;
     }
-}
+}

Java/complete-binary-tree-inserter.java → Java/Complete-Binary-Tree-Inserter.java

@@ -61,4 +61,4 @@ public int insert(int v) {
     public TreeNode get_root() {
         return root;
     }
-}
+}

Java/convert-sorted-list-to-binary-search-tree.java → Java/Convert-Sorted-List-to-Binary-Search-Tree.java

@@ -34,4 +34,4 @@ public TreeNode buildTree(int l, int r, int nums[]){
         return node;
     }
 
-}
+}

Java/Happy-Number.java → Java/Happy_Number.java

@@ -28,4 +28,4 @@ static int SquareSum(int n)
     return square; 
     } 
 
-}
+}