Java IO ObjectStreamField

// Java program to illustrate the working
// of the Java IO ObjectStreamField class
import java.io.ObjectStreamClass;  
import java.util.Calendar;  
  
public class ObjectStreamClassExample
{  
     public static void main(String[] args)
     {  
             
          // creating a new object for the stream class for the Integers  
          ObjectStreamClass abc = ObjectStreamClass.lookup(String.class);  
  
          // getting the value field from ObjectStreamClass for the integers  
          System.out.println("" + abc.getField("value"));  
  
          // creating new object stream class for the  Calendar  
          ObjectStreamClass abc2 = ObjectStreamClass.lookup(Calendar.class);  
  
          // get the Class instance for abc2  
          System.out.println("" + abc2.getField("isTimeSet"));  
  
       }  
}  

// Java program to illustrate the working of the
// Java IO ObjectStreamField(compareTo(Object obj)) class
import java.io.*;

public class ObjectStreamField_ShowDemo {
   
   public static void main(String[] args) {
   
      // creating a new object stream class for The Integers
      ObjectStreamClass xyz = ObjectStreamClass.lookupAny(Integer.class);

      // getting the field value from Integer class
      ObjectStreamField field = xyz.getField("value");

      // creating a new object stream class for floats
      ObjectStreamClass xyz2 = ObjectStreamClass.lookupAny(Float.class);

      // getting the field value from Integer class
      ObjectStreamField field2 = xyz.getField("value");

      // comparing with another field
      System.out.println("" + field.compareTo(field2));
      
   }
}