程序包 org.springframework.util.function
Useful generic
java.util.function
helper classes.类概要 类 说明 SingletonSupplier<T> ASupplier
decorator that caches a singleton result and makes it available fromSingletonSupplier.get()
(nullable) andSingletonSupplier.obtain()
(null-safe).SupplierUtils Convenience utilities forSupplier
handling.