Java.io.ObjectStreamField.getOffset() Method

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Description

The java.io.ObjectStreamField.getOffset() method gets offset of field within instance data.

Declaration

Following is the declaration for java.io.ObjectStreamField.getOffset() method.

public int getOffset()

Parameters

NA

Return Value

This method returns the offset of this field.

Exception

NA

Example

The following example shows the usage of java.io.ObjectStreamField.getOffset() method.

package com.tutorialspoint;

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

public class ObjectStreamFieldDemo {
   public static void main(String[] args) {
   
      // create a new object stream class for Integers
      ObjectStreamClass osc = ObjectStreamClass.lookup(Integer.class);

      // get the field value from Integer class
      ObjectStreamField field = osc.getField("value");

      // get the offset of the field
      System.out.println("" + field.getOffset());

      // create a new object stream class for calendar
      ObjectStreamClass osc2 = ObjectStreamClass.lookup(Calendar.class);

      // get the field value from Calendar class
      ObjectStreamField field2 = osc2.getField("lenient");

      // get the offset of the field2
      System.out.println("" + field2.getOffset());
   }
}

Let us compile and run the above program, this will produce the following result −

0
6