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JAVA.IO.OBJECTSTREAMFIELD.COMPARETO METHOD http://www.tutorialspoint.com/java/io/objectstreamfield_compareto.htm Copyright © tutorialspoint.com Description The java.io.ObjectStreamField.compareToObjectobj method compares this field with another ObjectStreamField. Return -1 if this is smaller, 0 if equal, 1 if greater. Types that are primitives are "smaller" than object types. If equal, the field names are compared. Declaration Following is the declaration for java.io.ObjectStreamField.compareTo method. public int compareTo(Object obj) Parameters obj -- the object to be compared. Return Value This method returns a negative integer, zero, or a positive integer as this object is less than, equal to, or greater than the specified object. Exception NA Example The following example shows the usage of java.io.ObjectStreamField.compareTo method. package com.tutorialspoint; import java.io.*; public class ObjectStreamFieldDemo { public static void main(String[] args) { // create a new object stream class for Integers ObjectStreamClass osc = ObjectStreamClass.lookupAny(Integer.class); // get the field value from Integer class ObjectStreamField field = osc.getField("value"); // create a new object stream class for floats ObjectStreamClass osc2 = ObjectStreamClass.lookupAny(Float.class); // get the field value from Integer class ObjectStreamField field2 = osc.getField("value"); // compare with another field System.out.println("" + field.compareTo(field2)); } } Let us compile and run the above program, this will produce the following result: 0 Loading [MathJax]/jax/output/HTML-CSS/fonts/TeX/fontdata.js