Remove elements from a map
To remove an element from a map, use the remove() method. The remove method takes one parameter, which is the map key.
Removing a key value pair from map
Original Map
Initial key-value pairs
France
Paris
Japan
Tokyo
Australia
Canberra
Remove Key
Removing a key using map remove() method.
Japan
Result
The final map after removing a key value pair from the map.
France
Paris
Australia
Canberra
The following is an example of a map containing products and their prices. Using the remove() method, we remove the item 'Ipad' from the map.
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In the above example:
- The map key is a
stringand value is aninteger. - The
remove()method is used to remove an element from the map. - The
remove()method accepts the key as input. If the key is found, the corresponding element will be removed from the map.
Try It Yourself
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