ListResourceBundle類的getContents()方法 (ListResourceBundle Class getContents() method)

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

  getContents()方法在java.util包中可用。

• getContents() method is used to get the contents into the form of an Object array (Object [][]) and every item is pairs of objects in an Object[][] where first indices represent the key element and the second indices represent the value element linked with the key in an object array.

  getContents()方法用于將內容轉換為Object數組(Object [] [])的形式，每個項目都是Object [] []中的成對對象，其中第一個索引代表鍵元素，第二個索引代表與對象數組中的鍵鏈接的value元素。

• getContents() 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.

  getContents()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。

• getContents() method does not throw an exception at the time of getting contents.

  getContents()方法在獲取內容時不會引發異常。

Syntax:

句法：

protected abstract Object[][] getContents();

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 Object [] [], it returns 2D object array that contains two objects in the form of key-value pairs.

該方法的返回類型為Object [] [] ，它返回2D對象數組，該數組包含兩個鍵值對形式的對象。

Example:

例：

// Java program to demonstrate the example // of Object[][] getContents() method of // ListResourceBundle import java.util.*;// Instantiates a class that extends // ListResourceBundle class GetContents extends ListResourceBundle {// By using getContent() method is to// get the contents in the form of // 2D objectsprotected Object[][] getContents() {return new Object[][] {{"10","C"}, {"20","C++"}, {"30","JAVA"}, {"40","SFDC"}, {"50","PHP"}};} }public class Main {public static void main(String[] args) {// Instantiates an object of// GetContentsGetContents get_c = new GetContents();// Display the value for the // given key elementSystem.out.println("get_c.getString(40): " + get_c.getString("40"));} }

Output

輸出量

get_c.getString(40): SFDC

翻譯自: https://www.includehelp.com/java/listresourcebundle-getcontents-method-with-example.aspx

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