Java Guava | Longs.toArray() method with Examples
The toArray() method of Longs Class in the Guava library is used to convert the long values, passed as the parameter to this method, into a Long Array. These long values are passed as a Collection to this method. This method returns a Long array.
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public static long toArray(Collection<? extends Number> collection)
Parameters: This method accepts a mandatory parameter collection which is the collection of long values to be converted in to a Long array.
Return Value: This method returns a long array containing the same values as a collection, in the same order.
Exceptions: This method throws NullPointerException if the passed collection or any of its elements is null.
Below programs illustrate the use of toArray() method:
Example 1 :
[1, 2, 3, 4, 5]
Example 2 :