edu.emory.mathcs.backport.java.util
Class Collections

java.lang.Object
  edu.emory.mathcs.backport.java.util.Collections

public class Collections

extends java.lang.Object

Augments Collections with methods added in Java 5.0 and higher. Adds support for dynamically typesafe collection wrappers, and several utility methods.

See Also:

Collections

Method Summary

static boolean	addAll(java.util.Collection c, java.lang.Object[] a)
static Queue	asLifoQueue(Deque deque)
static int	binarySearch(java.util.List list, java.lang.Object key)
static int	binarySearch(java.util.List list, java.lang.Object key, java.util.Comparator c)
static java.util.Collection	checkedCollection(java.util.Collection c, java.lang.Class type)
static java.util.List	checkedList(java.util.List l, java.lang.Class type)
static java.util.Map	checkedMap(java.util.Map m, java.lang.Class keyType, java.lang.Class valueType)
static java.util.Set	checkedSet(java.util.Set s, java.lang.Class type)
static java.util.SortedMap	checkedSortedMap(java.util.SortedMap m, java.lang.Class keyType, java.lang.Class valueType)
static java.util.SortedSet	checkedSortedSet(java.util.SortedSet s, java.lang.Class type)
static void	copy(java.util.List dest, java.util.List src)
static boolean	disjoint(java.util.Collection a, java.util.Collection b)
static java.util.List	emptyList()
static java.util.Map	emptyMap()
static java.util.Set	emptySet()
static java.util.Enumeration	enumeration(java.util.Collection c)
static void	fill(java.util.List list, java.lang.Object obj)
static int	frequency(java.util.Collection c, java.lang.Object o)
static int	indexOfSubList(java.util.List source, java.util.List target)
static int	lastIndexOfSubList(java.util.List source, java.util.List target)
static java.util.ArrayList	list(java.util.Enumeration e)
static java.lang.Object	max(java.util.Collection coll)
static java.lang.Object	max(java.util.Collection coll, java.util.Comparator comp)
static java.lang.Object	min(java.util.Collection coll)
static java.lang.Object	min(java.util.Collection coll, java.util.Comparator comp)
static java.util.List	nCopies(int n, java.lang.Object o)
static java.util.Set	newSetFromMap(java.util.Map map)
static boolean	replaceAll(java.util.List list, java.lang.Object oldVal, java.lang.Object newVal)
static void	reverse(java.util.List list)
static java.util.Comparator	reverseOrder()
static java.util.Comparator	reverseOrder(java.util.Comparator cmp)
static void	rotate(java.util.List list, int distance)
static void	shuffle(java.util.List list)
static void	shuffle(java.util.List list, java.util.Random rnd)
static java.util.Set	singleton(java.lang.Object o)
static java.util.List	singletonList(java.lang.Object o)
static java.util.Map	singletonMap(java.lang.Object key, java.lang.Object value)
static void	sort(java.util.List list)
static void	sort(java.util.List list, java.util.Comparator c)
static void	swap(java.util.List list, int i, int j)
static java.util.Collection	synchronizedCollection(java.util.Collection c)
static java.util.List	synchronizedList(java.util.List l)
static java.util.Map	synchronizedMap(java.util.Map m)
static java.util.Set	synchronizedSet(java.util.Set s)
static java.util.SortedMap	synchronizedSortedMap(java.util.SortedMap m)
static java.util.SortedSet	synchronizedSortedSet(java.util.SortedSet s)
static java.util.Collection	unmodifiableCollection(java.util.Collection c)
static java.util.List	unmodifiableList(java.util.List l)
static java.util.Map	unmodifiableMap(java.util.Map m)
static java.util.Set	unmodifiableSet(java.util.Set s)
static java.util.SortedMap	unmodifiableSortedMap(java.util.SortedMap m)
static java.util.SortedSet	unmodifiableSortedSet(java.util.SortedSet s)

Methods inherited from class java.lang.Object

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

Method Detail

sort

public static void sort(java.util.List list)

sort

public static void sort(java.util.List list,
                        java.util.Comparator c)

binarySearch

public static int binarySearch(java.util.List list,
                               java.lang.Object key)

binarySearch

public static int binarySearch(java.util.List list,
                               java.lang.Object key,
                               java.util.Comparator c)

reverse

public static void reverse(java.util.List list)

shuffle

public static void shuffle(java.util.List list)

shuffle

public static void shuffle(java.util.List list,
                           java.util.Random rnd)

swap

public static void swap(java.util.List list,
                        int i,
                        int j)

fill

public static void fill(java.util.List list,
                        java.lang.Object obj)

copy

public static void copy(java.util.List dest,
                        java.util.List src)

min

public static java.lang.Object min(java.util.Collection coll)

min

public static java.lang.Object min(java.util.Collection coll,
                                   java.util.Comparator comp)

max

public static java.lang.Object max(java.util.Collection coll)

max

public static java.lang.Object max(java.util.Collection coll,
                                   java.util.Comparator comp)

rotate

public static void rotate(java.util.List list,
                          int distance)

replaceAll

public static boolean replaceAll(java.util.List list,
                                 java.lang.Object oldVal,
                                 java.lang.Object newVal)

indexOfSubList

public static int indexOfSubList(java.util.List source,
                                 java.util.List target)

lastIndexOfSubList

public static int lastIndexOfSubList(java.util.List source,
                                     java.util.List target)

unmodifiableCollection

public static java.util.Collection unmodifiableCollection(java.util.Collection c)

unmodifiableSet

public static java.util.Set unmodifiableSet(java.util.Set s)

unmodifiableSortedSet

public static java.util.SortedSet unmodifiableSortedSet(java.util.SortedSet s)

unmodifiableList

public static java.util.List unmodifiableList(java.util.List l)

unmodifiableMap

public static java.util.Map unmodifiableMap(java.util.Map m)

unmodifiableSortedMap

public static java.util.SortedMap unmodifiableSortedMap(java.util.SortedMap m)

synchronizedCollection

public static java.util.Collection synchronizedCollection(java.util.Collection c)

synchronizedSet

public static java.util.Set synchronizedSet(java.util.Set s)

synchronizedSortedSet

public static java.util.SortedSet synchronizedSortedSet(java.util.SortedSet s)

synchronizedList

public static java.util.List synchronizedList(java.util.List l)

synchronizedMap

public static java.util.Map synchronizedMap(java.util.Map m)

synchronizedSortedMap

public static java.util.SortedMap synchronizedSortedMap(java.util.SortedMap m)

checkedCollection

public static java.util.Collection checkedCollection(java.util.Collection c,
                                                     java.lang.Class type)

checkedSet

public static java.util.Set checkedSet(java.util.Set s,
                                       java.lang.Class type)

checkedSortedSet

public static java.util.SortedSet checkedSortedSet(java.util.SortedSet s,
                                                   java.lang.Class type)

checkedList

public static java.util.List checkedList(java.util.List l,
                                         java.lang.Class type)

checkedMap

public static java.util.Map checkedMap(java.util.Map m,
                                       java.lang.Class keyType,
                                       java.lang.Class valueType)

checkedSortedMap

public static java.util.SortedMap checkedSortedMap(java.util.SortedMap m,
                                                   java.lang.Class keyType,
                                                   java.lang.Class valueType)

emptySet

public static java.util.Set emptySet()

emptyList

public static java.util.List emptyList()

emptyMap

public static java.util.Map emptyMap()

singleton

public static java.util.Set singleton(java.lang.Object o)

singletonList

public static java.util.List singletonList(java.lang.Object o)

singletonMap

public static java.util.Map singletonMap(java.lang.Object key,
                                         java.lang.Object value)

nCopies

public static java.util.List nCopies(int n,
                                     java.lang.Object o)

reverseOrder

public static java.util.Comparator reverseOrder()

reverseOrder

public static java.util.Comparator reverseOrder(java.util.Comparator cmp)

enumeration

public static java.util.Enumeration enumeration(java.util.Collection c)

list

public static java.util.ArrayList list(java.util.Enumeration e)

frequency

public static int frequency(java.util.Collection c,
                            java.lang.Object o)

disjoint

public static boolean disjoint(java.util.Collection a,
                               java.util.Collection b)

addAll

public static boolean addAll(java.util.Collection c,
                             java.lang.Object[] a)

newSetFromMap

public static java.util.Set newSetFromMap(java.util.Map map)

asLifoQueue

public static Queue asLifoQueue(Deque deque)