java.util
Interface Comparator

public interface Comparator

Comparator is used to compare two objects to determine their ordering in respect to each other.

Since:

1.2

Method Summary

int	compare(java.lang.Object object1, java.lang.Object object2) Compare the two objects to determine the relative ordering.
boolean	equals(java.lang.Object object) Compares the argument to the receiver, and answers true if they represent the same object using a class specific comparison.

Method Detail

compare

public int compare(java.lang.Object object1,
                   java.lang.Object object2)

Compare the two objects to determine the relative ordering.

Parameters:

object1 - an Object to compare

object2 - an Object to compare

Returns:

an int < 0 if object1 is less than object2, 0 if they are equal, and > 0 if object1 is greater

Throws:

ClassCastException - when objects are not the correct type

equals

public boolean equals(java.lang.Object object)

Compares the argument to the receiver, and answers true if they represent the same object using a class specific comparison.

Parameters:

object - Object the object to compare with this object.

Returns:

boolean true if the object is the same as this object false if it is different from this object.

See Also:

Object.hashCode()