pal.util

Interface Comparator

public interface Comparator

interface for an object that can compare other objects for the purposes of ordering them. This interface is analogous to the Comparator interface in Java 1.2 and higher, and it should be superceded by the collections framework when PAL is moved to 1.2 or higher.

Version:

$Id: Comparator.java,v 1.2 2001/07/13 14:39:13 korbinian Exp $

Author:

Alexei Drummond

Method Summary

Methods

Modifier and Type	Method and Description
int	compare(java.lang.Object o1, java.lang.Object o2) Returns a number representing the ordering relationship that the two objects have.
boolean	equals(java.lang.Object o1, java.lang.Object o2) Returns true if the two objects are equal.

Method Detail

compare

int compare(java.lang.Object o1,
          java.lang.Object o2)

Returns a number representing the ordering relationship that the two objects have. A negative number indicates that the first object is "smaller" than the second object, a positive number means it is "larger" and zero indicates that the objects are equal.

equals

boolean equals(java.lang.Object o1,
             java.lang.Object o2)

Returns true if the two objects are equal.