Cleaning up DSA

Author: deepak-malik

README.md

@@ -3,31 +3,24 @@
 This repository contains various data structures and provide insights about them.<br /> 
 Below topics/problems are covered as of now.
 
-1. General problems with Strings
-	- [Remove spaces in a given string](../master/src/com/deepak/Strings/RemoveSpaces.java)
-	- [Reverse words and characters in a given string](../master/src/com/deepak/Strings/ReverseWords.java)
-	- [Reverse vowels in a word](../master/src/com/deepak/Strings/ReverseVowelsInWord.java)
-	- [Duplicate characters in a string](../master/src/com/deepak/Strings/DuplicateCharacters.java)
-	- [Print characters only once in reverse order](../master/src/com/deepak/Strings/CharactersPresent.java)
-	
-2. Arrays	
+1. Arrays	
 	- [Array Concepts](../master/src/com/deepak/Arrays/ArraysConcepts)
 	- [Basic Operations on Array](../master/src/com/deepak/Arrays/BasicOperations.java)
 
-3. LinkedList
+2. LinkedList
 	- [LinkedList Concepts](../master/src/com/deepak/LinkedList/LinkedListConcepts)
 	- [Basic Operations on LinkedList](../master/src/com/deepak/LinkedList/BasicOperations.java)	
 	- [Singly LinkedList Implementation](../master/src/com/deepak/LinkedList/SinglyLinkedList.java)
 	- [Doubly LinkedList Implementation](../master/src/com/deepak/LinkedList/DoublyLinkedList.java)
 
-4. Hashing
+3. Hashing
 	- [HashCode and Equals Contract](../master/src/com/deepak/Hashing/HashCode%26EqualsContract.md)
 	- [CustomHashMap Implementation](../master/src/com/deepak/Hashing/CustomHashMap.java)
 	- [Concurrent Modification Exception](../master/src/com/deepak/Hashing/ConcurrentModificationException.java)
 	- [Concurrent HashMap](../master/src/com/deepak/Hashing/ConcurrentHashMap.md)
 	- [Weak HashMap Implementation](../master/src/com/deepak/Hashing/WeakHashMapImplementation.java)
 
-5. Stack
+4. Stack
 	- [Simple Stack from already implemented Linked List](../master/src/com/deepak/Stack/SimpleStackFromList.java)
 	- [Array based Stack implementation](../master/src/com/deepak/Stack/ArrayBasedStack.java)
 	- [LinkedList based Stack implementation](../master/src/com/deepak/Stack/LinkedListBasedStack.java)