cat.lump.aq.basics.structure.standard

Class MapUtil

java.lang.Object

cat.lump.aq.basics.structure.standard.MapUtil

public class MapUtil
extends java.lang.Object

A class to sort a map according to it values. The class was borrowed from http://stackoverflow.com/questions/109383/how-to-sort-a-mapkey-value-on-the-values-in-java, where the contributor gives explicit permission for re-using.

Author:

albarron

Constructor Summary

Constructors

Constructor and Description
MapUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static <K,V extends java.lang.Comparable<? super V>> java.util.Map<K,V>	sortByValue(java.util.Map<K,V> map)
static <K,V extends java.lang.Comparable<? super V>> java.util.Map<K,V>	sortByValueInverse(java.util.Map<K,V> map)

Methods inherited from class java.lang.Object

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

Constructor Detail

MapUtil

public MapUtil()

Method Detail

sortByValue

public static <K,V extends java.lang.Comparable<? super V>> java.util.Map<K,V> sortByValue(java.util.Map<K,V> map)

Parameters:

map -

Returns:

The map itself, sorted by value

sortByValueInverse

public static <K,V extends java.lang.Comparable<? super V>> java.util.Map<K,V> sortByValueInverse(java.util.Map<K,V> map)

Parameters:

map -

Returns:

The map itself, sorted by value in inverse order