functional 썸네일형 리스트형 Java Functional class import java.util.Objects; import java.util.function.Consumer; import java.util.function.Function; import java.util.function.Supplier; public class Functional { private final T value; public Functional(T value) { this.value = value; } public static Functional of(T value) { return new Functional( Objects.requireNonNull(value) ); } public static Functional of(Supplier supplier) { Objects.requireNon.. 더보기 이전 1 다음