Java ObjectStreamField getName()方法与示例
ObjectStreamField類的getName()方法 (ObjectStreamField Class getName() method)
getName() method is available in java.io package.
getName()方法在java.io包中可用。
getName() method is used to get the name of this ObjectStreamField field.
getName()方法用于獲取此ObjectStreamField字段的名稱。
getName() 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.
getName()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。
getName() method does not throw an exception at the time of returning name.
返回名稱時, getName()方法不會引發異常。
Syntax:
句法:
public String getName();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 String, it returns String denoting the name of the serializable field.
該方法的返回類型為String ,它返回String表示可序列化字段的名稱。
Example:
例:
// Java program to demonstrate the example // of String getName() method // of ObjectStreamFieldimport java.io.*; import java.util.*;public class GetNameOfOSF {public static void main(String[] args) {// Instantiates ObjectStreamClass for CalendarObjectStreamClass o_sc = ObjectStreamClass.lookup(Calendar.class);// By using getField() method is to get the field// value from Calendar ObjectStreamField field1 = o_sc.getField("isTimeSet");ObjectStreamField field2 = o_sc.getField("isSet");// By using getName() method is to returm// the name of the fieldString field1_name = field1.getName();System.out.println("field1.getName(): " + field1_name);String field2_name = field2.getName();System.out.println("field2.getName(): " + field2_name);} }Output
輸出量
field1.getName(): isTimeSet field2.getName(): isSet翻譯自: https://www.includehelp.com/java/objectstreamfield-getname-method-with-example.aspx
總結
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