Package fr.ens.biologie.genomique.eoulsan.util

Class CollectionUtils

java.lang.Object

fr.ens.biologie.genomique.eoulsan.util.CollectionUtils

public class CollectionUtils
extends Object

This class define an utility class that contains useful methods for collections.

Since:

2.0

Author:

Laurent Jourdren

Method Summary

Modifier and Type	Method	Description
static <E> Collection<E>	nullToEmpty(Collection<E> c)	Return an empty collection if the input collection is null.

Methods inherited from class java.lang.Object

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

Method Details

nullToEmpty

public static <E> Collection<E> nullToEmpty(Collection<E> c)

Return an empty collection if the input collection is null.

Type Parameters:

E - collection type

Parameters:

c - input collection

Returns:

a collection