slib.utils.impl

Class SetUtils

java.lang.Object

slib.utils.impl.SetUtils

public class SetUtils
extends Object

Author:

Sébastien Harispe

Constructor Summary

Constructors

Constructor and Description
SetUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static <X> Set<X>	buildSet(X o) Build a Set containing the given object of type X.
static <X> double	getMax(HashMap<X,Integer> nbOccurrence)
static <X> Set<X>	intersection(Collection<X> anc_setA, Collection<X> anc_setB) Compute the intersection of two collections
static <X> Set<X>	union(Collection<X> a, Collection<X> b) Compute the union of two collections

Methods inherited from class java.lang.Object

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

Constructor Detail

SetUtils

public SetUtils()

Method Detail

union

public static <X> Set<X> union(Collection<X> a,
               Collection<X> b)

Compute the union of two collections

Type Parameters:

X -

Parameters:

a -

b -

Returns:

the union

intersection

public static <X> Set<X> intersection(Collection<X> anc_setA,
                      Collection<X> anc_setB)

Compute the intersection of two collections

Type Parameters:

X -

Parameters:

anc_setA -

anc_setB -

Returns:

the intersection

getMax

public static <X> double getMax(HashMap<X,Integer> nbOccurrence)

Type Parameters:

X -

Parameters:

nbOccurrence -

Returns:

the maximum number as specified as a value of the map.

buildSet

public static <X> Set<X> buildSet(X o)

Build a Set containing the given object of type X. If the object is null, null is returned

Type Parameters:

X -

Parameters:

o -

Returns:

a Set containing the given object of type X or null