IntSupplier Interface in Java 8 with examples

This entry is part 12 of 43 in the series Java 8 Functional Interfaces

IntSupplier Interface is a part of the java.util.function package which is introduced in Java 8. It is an in-built Functional Interface. This function doesn’t expect any input but produces a int-valued output. In this post, we are going to see several implementations of IntSupplier Interface by using different examples.


IntSupplier Interface in Java 8 Examples...!!! Click To Tweet

Look at IntSupplier Javadoc description below:


As you’ve seen in the above screenshot, IntSupplier Interface contains only the following function:

int getAsInt();

This method represents a supplier of int-valued results. This is the
int-producing primitive specialization of Supplier.


Java 8 IntSupplier Interface is an absolute useful addition as part of ‘Functional Interfaces’ and can serve variety of purposes. It is quite powerful as it can be used as a higher order functions through lambda functions and above examples could help you to get better idea on how to implement it.

IntSupplier Interface in Java 8 Examples...!!! Click To Tweet


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