Java 基础
函数式接口
- Supplier
T get()
() -> new Object()- Function<T, R>
R apply(T t)
t -> t.toString()- Consumer
void accept(T t)
t -> System.out.print(t)- Predicate
boolean test(T t)
t -> t > 0T get()
() -> new Object()R apply(T t)
t -> t.toString()void accept(T t)
t -> System.out.print(t)boolean test(T t)
t -> t > 0