<h1 id="heading-map-operations">Map Operations:</h1>
<ul>
<li><p>Maps are used to store key-value pairs, where each key is unique.</p>
</li>
<li><p><strong>Adding or Updating Entries</strong></p>
</li>
<li><p><strong>Removing Entries</strong></p>
</li>
<li><p><strong>Checking for Key Existence</strong></p>
</li>
</ul>
<h1 id="heading-map-extension">Map Extension:</h1>
<ul>
<li>You to create extensions to add functionality to existing types, including maps.</li>
</ul>
<h1 id="heading-map-methods">Map Methods:</h1>
<ul>
<li><p>The commonly used methods</p>
</li>
<li><p><strong>addAll()</strong></p>
</li>
<li><p><strong>remove()</strong></p>
</li>
<li><p><strong>forEach()</strong></p>
</li>
</ul>


# Map Operations:

* Maps are used to store key-value pairs, where each key is unique.
    
* **Adding or Updating Entries**
    
* **Removing Entries**
    
* **Checking for Key Existence**
    

# Map Extension:

* You to create extensions to add functionality to existing types, including maps.
    

# Map Methods:

* The commonly used methods
    
* **addAll()**
    
* **remove()**
    
* **forEach()**

Map Operations | Map Extensions | Map Methods

Map Operations:

Map Extension:

Map Methods: