java.util
Interface Comparator<T>

All Known Implementing Classes:

ApplicationInfo.DisplayNameComparator, Charset.IgnoreCaseComparator, Collator, CookieIdentityComparator, CookiePathComparator, PackageItemInfo.DisplayNameComparator, ResolveInfo.DisplayNameComparator, RuleBasedCollator

public interface Comparator<T>

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

Since:

1.2

Method Summary

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

Method Detail

compare

int compare(T object1,
            T 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

boolean equals(Object object)

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

Overrides:

equals in class Object

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()