Interfaces with exactly one abstract method (e.g., Predicate , Consumer , Function , Supplier ) that serve as target types for lambdas.
: Since pure functions avoid side effects and share no mutable state, they can be executed in parallel without complex synchronization mechanisms. Functional Programming in Java: How functional ...
: Features like lambda expressions and method references eliminate verbose anonymous classes, allowing developers to express complex logic in fewer lines of code. Interfaces with exactly one abstract method (e