ObjectStreamField类的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()方法用于获取此ObjectStreamField字段的名称。

• 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()方法是一个非静态方法，只能通过类对象访问，如果尝试使用类名称访问该方法，则会收到错误消息。

• getName() method does not throw an exception at the time of returning name.

  返回名称时， getName()方法不会引发异常。

Syntax:

句法：

    public String getName();

Parameter(s):

参数：

• It does not accept any parameter.

  它不接受任何参数。

Return value:

返回值：

The return type of the method is String, it returns String denoting the name of the serializable field.

该方法的返回类型为String ，它返回String表示可序列化字段的名称。

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

输出量

field1.getName(): isTimeSet
field2.getName(): isSet

翻译自: https://www.includehelp.com/java/objectstreamfield-getname-method-with-example.aspx