Learn about Supplier Functional Interface in Java
Supplier is a Functional Interface, so it only contains an abstract method as follows:
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package java.util.function; /** * Represents a supplier of results. * * <p>There is no requirement that a new or distinct result be returned each * time the supplier is invoked. * * <p>This is a <a href="package-summary.html">functional interface</a> * whose functional method is {@link #get()}. * * @param <T> the type of results supplied by this supplier * * @since 1.8 */ @FunctionalInterface public interface Supplier<T> { /** * Gets a result. * * @return a result */ T get(); } |
This interface simply returns the value in the context that is being used by the get() method. For example, we have the following list:
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List<String> s = Arrays.asList("Khanh", "Quan"); |
Now that I want to… Read More