Supplier Interface in Java8 with Examples

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Supplier Interface in Java with Examples

The Supplier Interface is a part of the java.util.function package which has been introduced since Java 8, to implement functional programming in Java. It represents a function that does not take in any argument but produces a value of type T.

Hence this functional interface takes in only one generic namely:-

T: denotes the type of the result

The lambda expression assigned to an object of Supplier type is used to define its get() which eventually produces a value. Suppliers are useful when we don’t need to supply any value and obtain a result at the same time.

The Supplier interface consists of only one function:

1. get() - This method does not take in any argument but produces a value of type T.

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