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Java 8 – Reuse Predicates by combining Lambdas

This post demonstrates how to reuse Predicate @FunctionalInterface implementations to reduce duplicate codes in your applications.

java.util.function.Predicate

This functional interface has a number of default methods defined that can be used to extend existing Predicates Lambdas.

Example Codes

PersonBean

First we create a class called PersonBean that represents a person and has the following few fields.

Main class

This is our main class.

Outputs:

Karl