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Java ObjectStreamField toString() Method with Example

ObjectStreamField Class toString() method: Here, we are going to learn about the toString() method of ObjectStreamField Class with its syntax and example.
Submitted by Preeti Jain, on April 13, 2020

ObjectStreamField Class toString() method

• toString() method is available in java.io package.
• toString() method is used to return a string that defines this field.
• toString() 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.
• toString() method does not throw an exception at the time of string representation.

Syntax:

    public String toString();

Parameter(s):

• It does not accept any parameter.

Return value:

The return type of the method is String, it returns string denotation of this ObjectStreamField.

Example:

// Java program to demonstrate the example 
// of String toString() method 
// of ObjectStreamField

import java.io.*;
import java.util.*;

public class ToStringOfOSF {
 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("fields");

  // By using toString() method is used to
  // represent the field as a string

  String field1_str = field1.toString();
  System.out.println("field1.toString(): " + field1_str);

  String field2_str = field2.toString();
  System.out.println("field2.toString(): " + field2_str);
 }
}

Output

field1.toString(): Z isTimeSet
field2.toString(): [I fields