Package com.compomics.util.gui.utils

Class EmptyCollections

java.lang.Object

com.compomics.util.gui.utils.EmptyCollections

public class EmptyCollections
extends Object

This class contains empty collections that can be used for empty results without creating new objects.

Author:

Marc Vaudel

Field Summary

Fields

Modifier and Type	Field	Description
static final HashSet<Integer>	emptyIntSet	Convenience result of an empty set.
static final TreeSet<Integer>	emptyIntTreeSet	Convenience result of an empty set.
static final HashSet<String>	emptyStringSet	Convenience result of an empty set.
static final TreeSet<String>	emptyStringTreeSet	Convenience result of an empty set.

Constructor Summary

Constructors

Constructor	Description
EmptyCollections()	Empty default constructor

Method Summary

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

emptyStringSet

public static final HashSet<String> emptyStringSet

Convenience result of an empty set.

emptyStringTreeSet

public static final TreeSet<String> emptyStringTreeSet

Convenience result of an empty set.

emptyIntSet

public static final HashSet<Integer> emptyIntSet

Convenience result of an empty set.

emptyIntTreeSet

public static final TreeSet<Integer> emptyIntTreeSet

Convenience result of an empty set.

Constructor Details

EmptyCollections

public EmptyCollections()

Empty default constructor