Detailed explanation

Detailed explanation Introduction: Fluent Collections is a framework for simplifying the operation of the Java collection.It provides a set of rich and smooth and chain -can call to make the operation of the collection more concise and easy to read. introduce: In Java, sets are very commonly used data structures for storage and operation.However, the Java native collective library does not provide a lot of convenient operation methods, and developers need to use tedious cycles and iterators to complete the collection operation.This leads to the length and difficulty of reading the code. To solve this problem, the smooth collection framework came into being.It provides a set of simple and elegant APIs based on the ideas of builder pattern and Fluent Interface, which can operate the set in a smooth way. usage: Using the smooth collection framework, we first need to convert the native Java into a smooth collection.You can create a smooth version of the collection by provided options.For example, you can use the `FluentCollections.WithList (list) method to convert a native list to smooth list. Once a smooth collection is obtained, a series of operation methods can be used to process the collection.These operations include filtering, mapping, sorting, grouping, and so on.The advantage of the smooth collection is that these methods can be combined step by step in a chain call to form a complex operating chain. Below is a simple example, showing how to use the smooth collection framework to operate a list: import com.fluentcollections.FluentCollections; import com.fluentcollections.List; public class FluentCollectionsExample { public static void main(String[] args) { List<Integer> numbers = FluentCollections.withList(new ArrayList<>(Arrays.asList(1, 2, 3, 4, 5))); List<Integer> doubledNumbers = numbers .filter(n -> n % 2 == 0) .map(n -> n * 2) .collect(); System.out.println(doubledNumbers); // Output: [4, 8] } } In the above example, we first created a list containing 1 to 5.Then, we use the `Filter` method to filter out the number, and then use the` map` method to double the operation of each element. Finally, the result is collected into a new list through the `Collect` method.The output result is the List with doubling. Summarize: Fluent Collections is a framework for simplifying the Java collection operation.It provides a set of rich and smooth, chain -can be called, making the operation of the collection more concise and easy to read.Through the smooth collection framework, developers can process the collection in a more elegant way to improve the readability and maintenance of the code. I hope this article will help you understand the smooth collection framework!