Day_7 has been published

07_Day_Class_Components/07_class_components.md

@@ -577,6 +577,7 @@ ReactDOM.render(<App />, rootElement)
 ```
 
 Most of the time the container or the parent component can be written as class component and others as functional or presentational components. Data usually flows from parent components to child component and it is unidirectional. However, the latest version of react can allow us to write every component in our application only with functional components. This was impossible in previous versions.
+In next section, we will cover state which is the heart of React. State allows React component to rerender when whenever there is a change in state.
 
 # Exercises
 

readMe.md

@@ -29,6 +29,7 @@
 | 04    |                                      [Components](./04_Day_Component/04_components.md)                                      |
 | 05    |                                             [Props](./05_Day_Props/05_props.md)                                             |
 | 06   |                                             [List, Map and Keys](./06_Day_Map_List_Keys/05_map_list_keys.md)                                             |
+| 07  |                                             [Class Components](./07_Day_Class_Components/07_class_components.md)                                             |
 
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