java util.function.Supplier

Interface Supplier<T>
T:Supplier提供的返回结果

//要实现的接口方法
T get()
Gets a result.
Returns:
a result

参考:
https://docs.oracle.com/javase/8/docs/api/java/util/function/Supplier.html

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转载自blog.csdn.net/claroja/article/details/114048337