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 objects
protected 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
// GetContents
GetContents get_c = new GetContents();
// Display the value for the
// given key element
System.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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