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                # Java - 從`LinkedList`刪除所有元素 > 原文: [https://beginnersbook.com/2014/07/java-remove-all-elements-from-linkedlist-example/](https://beginnersbook.com/2014/07/java-remove-all-elements-from-linkedlist-example/) 在這個例子中,我們將看到如何從`LinkedList`中刪除所有元素。我們將使用[`LinkedList`類](https://beginnersbook.com/2013/12/linkedlist-in-java-with-example/)的[`clear()`方法](https://docs.oracle.com/javase/7/docs/api/java/util/LinkedList.html#clear())來做到這一點。方法定義和描述如下: `public void clear()`:刪除此列表中的所有元素。此調用返回后,列表將為空。 #### 示例 在這個例子中,我們有一個`String`類型的`LinkedList`,它有 5 個元素。我們調用`clear()`方法并在調用`clear()`方法之前和之后顯示`LinkedList`元素。 ```java import java.util.LinkedList; public class RemoveAllExample { public static void main(String[] args) { // Create a LinkedList LinkedList<String> linkedlist = new LinkedList<String>(); // Add elements to LinkedList linkedlist.add("Item1"); linkedlist.add("Item2"); linkedlist.add("Item3"); linkedlist.add("Item4"); linkedlist.add("Item5"); // Displaying Elements before remove System.out.println("Before clear():"); for(String str: linkedlist){ System.out.println(str); } // Removing all the elements from LinkedList linkedlist.clear(); // LinkedList elements after remove System.out.println("After clear():"); for(String str2: linkedlist){ System.out.println(str2); } } } ``` **輸出:** ```java Before clear(): Item1 Item2 Item3 Item4 Item5 After clear(): ```
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