Map size() Method in Java With Examples

Map size() method in Java is used to get the total number entries i.e, key-value pair. So this method is useful when you want total entries present on the map. If the map contains more than Integer.MAX_VALUE elements returnInteger.MAX_VALUE

Syntax:

int size();

Parameter: This method does not take any parameter.

Return value: This method returns the number of key-value mappings in this map.

Example 1: For non-generic input

Output:

Size of the map is : 4

Example 2: For Generic Input

Output:

Size of the map is : 4