> 原文:[https://www . geesforgeks . org/treeset-remove all-in-Java-method-with-example/](https://www.geeksforgeeks.org/treeset-removeall-method-in-java-with-example ...

This is a simple demonstration of using the TreeSet class in Java. It shows how elements are added to the set, how TreeSet ensures sorted order, and how to access elements using an iterator. The ...