treeset java

TreeSet類的clear()方法 (TreeSet Class clear() method)

• clear() method is available in java.util package.

  clear()方法在java.util包中可用。

• clear() method is used to clear all of the objects that exist from this TreeSet.

  clear()方法用于清除此TreeSet中存在的所有對象。

• clear() method is a non-static method, it is accessible with the class object only and if we try to access the method with the class name then we will get an error.

  clear()方法是一個非靜態方法，只能通過類對象訪問，如果嘗試使用類名稱訪問該方法，則會收到錯誤消息。

• clear() method does not throw an exception at the time of removing objects from this TreeSet.

  從此TreeSet中刪除對象時， clear()方法不會引發異常。

Syntax:

句法：

public void clear();

Parameter(s):

參數：

• It does not accept any parameter.

  它不接受任何參數。

Return value:

返回值：

The return type of the method is void, it returns nothing.

該方法的返回類型為void ，不返回任何內容。

Example:

例：

// Java program to demonstrate the example // of void clear() method of TreeSet import java.util.*;public class ClearOfTreeSet {public static void main(String[] args) {// Instantiates a TreeSet objectTreeSet < String > tree_set = new TreeSet < String > ();// By using add() method is to add// the given object of this// TreeSet tree_set.add("C");tree_set.add("C++");tree_set.add("JAVA");tree_set.add("PHP");tree_set.add("SFDC");// Display TreeSetSystem.out.println("TreeSet: " + tree_set);// By using clear() method is to// remove all of the elements exists// in this TreeSettree_set.clear();// Display Modified TreeSetSystem.out.println("tree_set.clear(): " + tree_set);} }

Output

輸出量

TreeSet: [C, C++, JAVA, PHP, SFDC] tree_set.clear(): []

翻譯自: https://www.includehelp.com/java/treeset-clear-method-with-example.aspx

treeset java

總結

以上是生活随笔為你收集整理的treeset java_Java TreeSet clear（）方法与示例的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。