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 ObjectStreamField
import java.io.*;
import java.util.*;
public class GetNameOfOSF {
public static void main(String[] args) {
// Instantiates ObjectStreamClass for Calendar
ObjectStreamClass 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 field
String 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