Package org.eclipse.collections.impl.utility

Class ListIterate

java.lang.Object

org.eclipse.collections.impl.utility.ListIterate

public final class ListIterate
extends Object

The ListIterate utility class can be useful for iterating over lists, especially if there is a desire to return a MutableList from any of the iteration methods.

Since:

1.0

Method Summary

Modifier and Type	Method	Description
static <T> boolean	allSatisfy(List<T> list, Predicate<? super T> predicate)
static <T, IV> boolean	allSatisfyWith(List<T> list, Predicate2<? super T,? super IV> predicate, IV injectedValue)
static <T> boolean	anySatisfy(List<T> list, Predicate<? super T> predicate)
static <T, IV> boolean	anySatisfyWith(List<T> list, Predicate2<? super T,? super IV> predicate, IV injectedValue)
static <T> void	appendString(List<T> list, Appendable appendable, String start, String separator, String end)
static <T> RichIterable<RichIterable<T>>	chunk(List<T> list, int size)
static <T, A> MutableList<A>	collect(List<T> list, Function<? super T,? extends A> function)
static <T, A, R extends Collection<A>> R	collect(List<T> list, Function<? super T,? extends A> function, R targetCollection)
static <T> MutableBooleanList	collectBoolean(List<T> list, BooleanFunction<? super T> booleanFunction)
static <T, R extends MutableBooleanCollection> R	collectBoolean(List<T> list, BooleanFunction<? super T> booleanFunction, R target)
static <T> MutableByteList	collectByte(List<T> list, ByteFunction<? super T> byteFunction)
static <T, R extends MutableByteCollection> R	collectByte(List<T> list, ByteFunction<? super T> byteFunction, R target)
static <T> MutableCharList	collectChar(List<T> list, CharFunction<? super T> charFunction)
static <T, R extends MutableCharCollection> R	collectChar(List<T> list, CharFunction<? super T> charFunction, R target)
static <T> MutableDoubleList	collectDouble(List<T> list, DoubleFunction<? super T> doubleFunction)
static <T, R extends MutableDoubleCollection> R	collectDouble(List<T> list, DoubleFunction<? super T> doubleFunction, R target)
static <T> MutableFloatList	collectFloat(List<T> list, FloatFunction<? super T> floatFunction)
static <T, R extends MutableFloatCollection> R	collectFloat(List<T> list, FloatFunction<? super T> floatFunction, R target)
static <T, A> MutableList<A>	collectIf(List<T> list, Predicate<? super T> predicate, Function<? super T,? extends A> function)
static <T, A, R extends Collection<A>> R	collectIf(List<T> list, Predicate<? super T> predicate, Function<? super T,? extends A> function, R targetCollection)
static <T> MutableIntList	collectInt(List<T> list, IntFunction<? super T> intFunction)
static <T, R extends MutableIntCollection> R	collectInt(List<T> list, IntFunction<? super T> intFunction, R target)
static <T> MutableLongList	collectLong(List<T> list, LongFunction<? super T> longFunction)
static <T, R extends MutableLongCollection> R	collectLong(List<T> list, LongFunction<? super T> longFunction, R target)
static <T> MutableShortList	collectShort(List<T> list, ShortFunction<? super T> shortFunction)
static <T, R extends MutableShortCollection> R	collectShort(List<T> list, ShortFunction<? super T> shortFunction, R target)
static <T, P, A> MutableList<A>	collectWith(List<T> list, Function2<? super T,? super P,? extends A> function, P parameter)
static <T, P, A, R extends Collection<A>> R	collectWith(List<T> list, Function2<? super T,? super P,? extends A> function, P parameter, R targetCollection)
static <T, A> MutableList<A>	collectWithIndex(List<T> list, ObjectIntToObjectFunction<? super T,? extends A> function)
static <T, A, R extends Collection<A>> R	collectWithIndex(List<T> list, ObjectIntToObjectFunction<? super T,? extends A> function, R targetCollection)
static <T> int	count(List<T> list, Predicate<? super T> predicate)
static <T, IV> int	countWith(List<T> list, Predicate2<? super T,? super IV> predicate, IV injectedValue)
static <T> T	detect(List<T> list, Predicate<? super T> predicate)
static <T> T	detectIfNone(List<T> list, Predicate<? super T> predicate, T ifNone)
static <T> int	detectIndex(List<T> list, Predicate<? super T> predicate)	Searches for the first index where the predicate evaluates to true.
static <T, P> int	detectIndexWith(List<T> list, Predicate2<? super T,? super P> predicate, P parameter)	Searches for the first index where the predicate2 and parameter evaluates to true.
static <T> int	detectLastIndex(List<T> list, Predicate<? super T> predicate)	Returns the last index where the predicate evaluates to true.
static <T> Optional<T>	detectOptional(List<T> list, Predicate<? super T> predicate)
static <T, IV> T	detectWith(List<T> list, Predicate2<? super T,? super IV> predicate, IV injectedValue)
static <T, IV> T	detectWithIfNone(List<T> list, Predicate2<? super T,? super IV> predicate, IV injectedValue, T ifNone)
static <T, IV> Optional<T>	detectWithOptional(List<T> list, Predicate2<? super T,? super IV> predicate, IV injectedValue)
static <T> MutableList<T>	distinct(List<T> list)
static <T> MutableList<T>	distinct(List<T> list, HashingStrategy<? super T> hashingStrategy)
static <T, R extends List<T>> R	distinct(List<T> list, R targetList)	Deprecated. in 7.0.
static <T, V> MutableList<T>	distinctBy(List<T> list, Function<? super T,? extends V> function)
static <T> MutableList<T>	drop(List<T> list, int count)
static <T, R extends Collection<T>> R	drop(List<T> list, int count, R targetList)
static <T> MutableList<T>	dropWhile(List<T> list, Predicate<? super T> predicate)
static boolean	equals(List<?> one, List<?> two)
static <T, A> MutableList<A>	flatCollect(List<T> list, Function<? super T,? extends Iterable<A>> function)
static <T, A, R extends Collection<A>> R	flatCollect(List<T> list, Function<? super T,? extends Iterable<A>> function, R targetCollection)
static <T> void	forEach(List<T> list, int from, int to, Procedure<? super T> procedure)	Iterates over the section of the list covered by the specified indexes.
static <T> void	forEach(List<T> list, Procedure<? super T> procedure)
static <T1, T2> void	forEachInBoth(List<T1> list1, List<T2> list2, Procedure2<? super T1,? super T2> procedure)	Iterates over both lists together, evaluating Procedure2 with the current element from each list.
static <T, P> void	forEachWith(List<T> list, Procedure2<? super T,? super P> procedure, P parameter)
static <T> void	forEachWithIndex(List<T> list, int from, int to, ObjectIntProcedure<? super T> objectIntProcedure)	Iterates over the section of the list covered by the specified indexes.
static <T> void	forEachWithIndex(List<T> list, ObjectIntProcedure<? super T> objectIntProcedure)
static <T> T	getFirst(List<T> collection)	Returns the first element of a list.
static <T> T	getLast(List<T> list)	Returns the last element of a list.
static <T, V> FastListMultimap<V,T>	groupBy(List<T> list, Function<? super T,? extends V> function)
static <T, V, R extends MutableMultimap<V, T>> R	groupBy(List<T> list, Function<? super T,? extends V> function, R target)
static <T, V> FastListMultimap<V,T>	groupByEach(List<T> list, Function<? super T,? extends Iterable<V>> function)
static <T, V, R extends MutableMultimap<V, T>> R	groupByEach(List<T> list, Function<? super T,? extends Iterable<V>> function, R target)
static <K, T> MutableMap<K,T>	groupByUniqueKey(List<T> list, Function<? super T,? extends K> function)
static <K, T, R extends MutableMapIterable<K, T>> R	groupByUniqueKey(List<T> list, Function<? super T,? extends K> function, R target)
static <T> double	injectInto(double injectValue, List<T> list, DoubleObjectToDoubleFunction<? super T> function)
static <T> float	injectInto(float injectValue, List<T> list, FloatObjectToFloatFunction<? super T> function)
static <T> int	injectInto(int injectValue, List<T> list, IntObjectToIntFunction<? super T> function)
static <T> long	injectInto(long injectValue, List<T> list, LongObjectToLongFunction<? super T> function)
static <T, IV> IV	injectInto(IV injectValue, List<T> list, Function2<? super IV,? super T,? extends IV> function)
static <T, IV, P> IV	injectIntoWith(IV injectedValue, List<T> list, Function3<? super IV,? super T,? super P,? extends IV> function, P parameter)
static <T> T	max(List<T> list)
static <T> T	max(List<T> list, Comparator<? super T> comparator)
static <T, V extends Comparable<? super V>> T	maxBy(List<T> list, Function<? super T,? extends V> function)
static <T> T	min(List<T> list)
static <T> T	min(List<T> list, Comparator<? super T> comparator)
static <T, V extends Comparable<? super V>> T	minBy(List<T> list, Function<? super T,? extends V> function)
static <T> boolean	noneSatisfy(List<T> list, Predicate<? super T> predicate)
static <T, P> boolean	noneSatisfyWith(List<T> list, Predicate2<? super T,? super P> predicate, P injectedValue)
static <T> PartitionMutableList<T>	partition(List<T> list, Predicate<? super T> predicate)
static <T> PartitionMutableList<T>	partitionWhile(List<T> list, Predicate<? super T> predicate)
static <T, P> PartitionMutableList<T>	partitionWith(List<T> list, Predicate2<? super T,? super P> predicate, P parameter)
static void	rangeCheck(int from, int to, int size)
static <T> MutableList<T>	reject(List<T> list, Predicate<? super T> predicate)
static <T, R extends Collection<T>> R	reject(List<T> list, Predicate<? super T> predicate, R targetCollection)
static <T, IV> MutableList<T>	rejectWith(List<T> list, Predicate2<? super T,? super IV> predicate, IV injectedValue)
static <T, P, R extends Collection<T>> R	rejectWith(List<T> list, Predicate2<? super T,? super P> predicate, P parameter, R targetCollection)
static <T> boolean	removeIf(List<T> list, Predicate<? super T> predicate)
static <T> boolean	removeIf(List<T> list, Predicate<? super T> predicate, Procedure<? super T> procedure)
static <T, P> boolean	removeIfWith(List<T> list, Predicate2<? super T,? super P> predicate, P parameter)
static <T, P> boolean	removeIfWith(List<T> list, Predicate2<? super T,? super P> predicate, P parameter, Procedure<? super T> procedure)
static <T> void	reverseForEach(List<T> list, Procedure<? super T> procedure)	Iterates over the List in reverse order executing the Procedure for each element
static <T> void	reverseForEachWithIndex(List<T> list, ObjectIntProcedure<? super T> objectIntProcedure)	Iterates over the List in reverse order executing the Procedure for each element.
static <T> List<T>	reverseThis(List<T> list)	Reverses the order of the items in the list.
static <T> MutableList<T>	select(List<T> list, Predicate<? super T> predicate)
static <T, R extends Collection<T>> R	select(List<T> list, Predicate<? super T> predicate, R targetCollection)
static <T, IV> Twin<MutableList<T>>	selectAndRejectWith(List<T> list, Predicate2<? super T,? super IV> predicate, IV injectedValue)
static <T, S> MutableList<S>	selectInstancesOf(List<T> list, Class<S> clazz)
static <T, IV> MutableList<T>	selectWith(List<T> list, Predicate2<? super T,? super IV> predicate, IV injectedValue)
static <T, P, R extends Collection<T>> R	selectWith(List<T> list, Predicate2<? super T,? super P> predicate, P parameter, R targetCollection)
static <V, T> MutableMap<V,BigDecimal>	sumByBigDecimal(List<T> list, Function<T,V> groupBy, Function<? super T,BigDecimal> function)
static <V, T> MutableMap<V,BigInteger>	sumByBigInteger(List<T> list, Function<T,V> groupBy, Function<? super T,BigInteger> function)
static <V, T> ObjectDoubleMap<V>	sumByDouble(List<T> list, Function<T,V> groupBy, DoubleFunction<? super T> function)
static <V, T> ObjectDoubleMap<V>	sumByFloat(List<T> list, Function<T,V> groupBy, FloatFunction<? super T> function)
static <V, T> ObjectLongMap<V>	sumByInt(List<T> list, Function<T,V> groupBy, IntFunction<? super T> function)
static <V, T> ObjectLongMap<V>	sumByLong(List<T> list, Function<T,V> groupBy, LongFunction<? super T> function)
static <T> BigDecimal	sumOfBigDecimal(List<T> list, Function<? super T,BigDecimal> function)
static <T> BigInteger	sumOfBigInteger(List<T> list, Function<? super T,BigInteger> function)
static <T> double	sumOfDouble(List<T> list, DoubleFunction<? super T> function)
static <T> double	sumOfFloat(List<T> list, FloatFunction<? super T> function)
static <T> long	sumOfInt(List<T> list, IntFunction<? super T> function)
static <T> long	sumOfLong(List<T> list, LongFunction<? super T> function)
static <T> MutableList<T>	take(List<T> list, int count)
static <T, R extends Collection<T>> R	take(List<T> list, int count, R targetList)
static <T> MutableList<T>	takeWhile(List<T> list, Predicate<? super T> predicate)
static <T> void	toArray(List<T> list, T[] target, int startIndex, int sourceSize)
static <X, Y> MutableList<Pair<X,Y>>	zip(List<X> list, Iterable<Y> iterable)
static <X, Y, R extends Collection<Pair<X, Y>>> R	zip(List<X> list, Iterable<Y> iterable, R target)
static <T> MutableList<Pair<T,Integer>>	zipWithIndex(List<T> list)
static <T, R extends Collection<Pair<T, Integer>>> R	zipWithIndex(List<T> list, R target)

Methods inherited from class java.lang.Object

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

Method Details

equals

public static boolean equals(List<?> one,
 List<?> two)

toArray

public static <T> void toArray(List<T> list,
 T[] target,
 int startIndex,
 int sourceSize)

select

public static <T> MutableList<T> select(List<T> list,
 Predicate<? super T> predicate)

See Also:

• Iterate.select(Iterable, Predicate)

selectWith

public static <T,
IV> MutableList<T> selectWith(List<T> list,
 Predicate2<? super T,? super IV> predicate,
 IV injectedValue)

See Also:

• Iterate.selectWith(Iterable, Predicate2, Object)

select

public static <T,
R extends Collection<T>> R select(List<T> list,
 Predicate<? super T> predicate,
 R targetCollection)

See Also:

• Iterate.select(Iterable, Predicate, Collection)

selectWith

public static <T,
P,
R extends Collection<T>> R selectWith(List<T> list,
 Predicate2<? super T,? super P> predicate,
 P parameter,
 R targetCollection)

See Also:

• Iterate.selectWith(Iterable, Predicate2, Object, Collection)

selectInstancesOf

public static <T,
S> MutableList<S> selectInstancesOf(List<T> list,
 Class<S> clazz)

See Also:

• Iterate.selectInstancesOf(Iterable, Class)

count

public static <T> int count(List<T> list,
 Predicate<? super T> predicate)

See Also:

• Iterate.count(Iterable, Predicate)

countWith

public static <T,
IV> int countWith(List<T> list,
 Predicate2<? super T,? super IV> predicate,
 IV injectedValue)

See Also:

• Iterate.countWith(Iterable, Predicate2, Object)

collectIf

public static <T,
A> MutableList<A> collectIf(List<T> list,
 Predicate<? super T> predicate,
 Function<? super T,? extends A> function)

See Also:

• Iterate.collectIf(Iterable, Predicate, Function)

collectIf

public static <T,
A,
R extends Collection<A>> R collectIf(List<T> list,
 Predicate<? super T> predicate,
 Function<? super T,? extends A> function,
 R targetCollection)

See Also:

• Iterate.collectIf(Iterable, Predicate, Function, Collection)

reject

public static <T> MutableList<T> reject(List<T> list,
 Predicate<? super T> predicate)

See Also:

• Iterate.reject(Iterable, Predicate)

rejectWith

public static <T,
IV> MutableList<T> rejectWith(List<T> list,
 Predicate2<? super T,? super IV> predicate,
 IV injectedValue)

See Also:

• Iterate.rejectWith(Iterable, Predicate2, Object)

reject

public static <T,
R extends Collection<T>> R reject(List<T> list,
 Predicate<? super T> predicate,
 R targetCollection)

See Also:

• Iterate.reject(Iterable, Predicate, Collection)

rejectWith

public static <T,
P,
R extends Collection<T>> R rejectWith(List<T> list,
 Predicate2<? super T,? super P> predicate,
 P parameter,
 R targetCollection)

See Also:

• Iterate.reject(Iterable, Predicate, Collection)

collect

public static <T,
A> MutableList<A> collect(List<T> list,
 Function<? super T,? extends A> function)

See Also:

• Iterate.collect(Iterable, Function)

collect

public static <T,
A,
R extends Collection<A>> R collect(List<T> list,
 Function<? super T,? extends A> function,
 R targetCollection)

See Also:

• Iterate.collect(Iterable, Function, Collection)

collectWithIndex

public static <T,
A> MutableList<A> collectWithIndex(List<T> list,
 ObjectIntToObjectFunction<? super T,? extends A> function)

Since:

9.1

collectWithIndex

public static <T,
A,
R extends Collection<A>> R collectWithIndex(List<T> list,
 ObjectIntToObjectFunction<? super T,? extends A> function,
 R targetCollection)

Since:

9.1

collectBoolean

public static <T> MutableBooleanList collectBoolean(List<T> list,
 BooleanFunction<? super T> booleanFunction)

See Also:

• Iterate.collectBoolean(Iterable, BooleanFunction)

collectBoolean

public static <T,
R extends MutableBooleanCollection>
R collectBoolean(List<T> list,
 BooleanFunction<? super T> booleanFunction,
 R target)

See Also:

• Iterate.collectBoolean(Iterable, BooleanFunction, MutableBooleanCollection)

collectByte

public static <T> MutableByteList collectByte(List<T> list,
 ByteFunction<? super T> byteFunction)

See Also:

• Iterate.collectByte(Iterable, ByteFunction)

collectByte

public static <T,
R extends MutableByteCollection> R collectByte(List<T> list,
 ByteFunction<? super T> byteFunction,
 R target)

See Also:

• Iterate.collectByte(Iterable, ByteFunction, MutableByteCollection)

collectChar

public static <T> MutableCharList collectChar(List<T> list,
 CharFunction<? super T> charFunction)

See Also:

• Iterate.collectChar(Iterable, CharFunction)

collectChar

public static <T,
R extends MutableCharCollection> R collectChar(List<T> list,
 CharFunction<? super T> charFunction,
 R target)

See Also:

• Iterate.collectChar(Iterable, CharFunction, MutableCharCollection)

collectDouble

public static <T> MutableDoubleList collectDouble(List<T> list,
 DoubleFunction<? super T> doubleFunction)

See Also:

• Iterate.collectDouble(Iterable, DoubleFunction)

collectDouble

public static <T,
R extends MutableDoubleCollection>
R collectDouble(List<T> list,
 DoubleFunction<? super T> doubleFunction,
 R target)

See Also:

• Iterate.collectDouble(Iterable, DoubleFunction, MutableDoubleCollection)

collectFloat

public static <T> MutableFloatList collectFloat(List<T> list,
 FloatFunction<? super T> floatFunction)

See Also:

• Iterate.collectFloat(Iterable, FloatFunction)

collectFloat

public static <T,
R extends MutableFloatCollection>
R collectFloat(List<T> list,
 FloatFunction<? super T> floatFunction,
 R target)

See Also:

• Iterate.collectFloat(Iterable, FloatFunction, MutableFloatCollection)

collectInt

public static <T> MutableIntList collectInt(List<T> list,
 IntFunction<? super T> intFunction)

See Also:

• Iterate.collectInt(Iterable, IntFunction)

collectInt

public static <T,
R extends MutableIntCollection> R collectInt(List<T> list,
 IntFunction<? super T> intFunction,
 R target)

See Also:

• Iterate.collectInt(Iterable, IntFunction, MutableIntCollection)

collectLong

public static <T> MutableLongList collectLong(List<T> list,
 LongFunction<? super T> longFunction)

See Also:

• Iterate.collectLong(Iterable, LongFunction)

collectLong

public static <T,
R extends MutableLongCollection> R collectLong(List<T> list,
 LongFunction<? super T> longFunction,
 R target)

See Also:

• Iterate.collectLong(Iterable, LongFunction, MutableLongCollection)

collectShort

public static <T> MutableShortList collectShort(List<T> list,
 ShortFunction<? super T> shortFunction)

See Also:

• Iterate.collectShort(Iterable, ShortFunction)

collectShort

public static <T,
R extends MutableShortCollection>
R collectShort(List<T> list,
 ShortFunction<? super T> shortFunction,
 R target)

See Also:

• Iterate.collectShort(Iterable, ShortFunction, MutableShortCollection)

flatCollect

public static <T,
A> MutableList<A> flatCollect(List<T> list,
 Function<? super T,? extends Iterable<A>> function)

See Also:

• Iterate.flatCollect(Iterable, Function)

flatCollect

public static <T,
A,
R extends Collection<A>> R flatCollect(List<T> list,
 Function<? super T,? extends Iterable<A>> function,
 R targetCollection)

See Also:

• Iterate.flatCollect(Iterable, Function, Collection)

getFirst

public static <T> T getFirst(List<T> collection)

Returns the first element of a list.

getLast

public static <T> T getLast(List<T> list)

Returns the last element of a list.

forEach

public static <T> void forEach(List<T> list,
 Procedure<? super T> procedure)

See Also:

• Iterate.forEach(Iterable, Procedure)

reverseForEach

public static <T> void reverseForEach(List<T> list,
 Procedure<? super T> procedure)

Iterates over the List in reverse order executing the Procedure for each element

reverseForEachWithIndex

public static <T> void reverseForEachWithIndex(List<T> list,
 ObjectIntProcedure<? super T> objectIntProcedure)

Iterates over the List in reverse order executing the Procedure for each element. The index passed into the ObjectIntProcedure is the actual index of the range.

forEach

public static <T> void forEach(List<T> list,
 int from,
 int to,
 Procedure<? super T> procedure)

Iterates over the section of the list covered by the specified indexes. The indexes are both inclusive. If the from is less than the to, the list is iterated in forward order. If the from is greater than the to, then the list is iterated in the reverse order.

e.g.
 MutableList<People> people = FastList.newListWith(ted, mary, bob, sally);
 ListIterate.forEach(people, 0, 1, new Procedure<Person>()
 {
     public void value(Person person)
     {
          LOGGER.info(person.getName());
     }
 });
 

This code would output ted and mary's names.

forEachWithIndex

public static <T> void forEachWithIndex(List<T> list,
 int from,
 int to,
 ObjectIntProcedure<? super T> objectIntProcedure)

Iterates over the section of the list covered by the specified indexes. The indexes are both inclusive. If the from is less than the to, the list is iterated in forward order. If the from is greater than the to, then the list is iterated in the reverse order. The index passed into the ObjectIntProcedure is the actual index of the range.

e.g.
 MutableList<People> people = FastList.newListWith(ted, mary, bob, sally);
 ListIterate.forEachWithIndex(people, 0, 1, new ObjectIntProcedure<Person>()
 {
     public void value(Person person, int index)
     {
          LOGGER.info(person.getName() + " at index: " + index);
     }
 });
 

This code would output ted and mary's names.

rangeCheck

public static void rangeCheck(int from,
 int to,
 int size)

forEachInBoth

public static <T1,
T2> void forEachInBoth(List<T1> list1,
 List<T2> list2,
 Procedure2<? super T1,? super T2> procedure)

Iterates over both lists together, evaluating Procedure2 with the current element from each list.

forEachWithIndex

public static <T> void forEachWithIndex(List<T> list,
 ObjectIntProcedure<? super T> objectIntProcedure)

See Also:

• Iterate.forEachWithIndex(Iterable, ObjectIntProcedure)

detect

public static <T> T detect(List<T> list,
 Predicate<? super T> predicate)

See Also:

• Iterate.detect(Iterable, Predicate)

detectWith

public static <T,
IV> T detectWith(List<T> list,
 Predicate2<? super T,? super IV> predicate,
 IV injectedValue)

See Also:

• Iterate.detectWith(Iterable, Predicate2, Object)

detectOptional

public static <T> Optional<T> detectOptional(List<T> list,
 Predicate<? super T> predicate)

See Also:

• Iterate.detectOptional(Iterable, Predicate)

detectWithOptional

public static <T,
IV> Optional<T> detectWithOptional(List<T> list,
 Predicate2<? super T,? super IV> predicate,
 IV injectedValue)

See Also:

• Iterate.detectWithOptional(Iterable, Predicate2, Object)

detectIfNone

public static <T> T detectIfNone(List<T> list,
 Predicate<? super T> predicate,
 T ifNone)

See Also:

• Iterate.detectIfNone(Iterable, Predicate, Object)

detectWithIfNone

public static <T,
IV> T detectWithIfNone(List<T> list,
 Predicate2<? super T,? super IV> predicate,
 IV injectedValue,
 T ifNone)

See Also:

• Iterate.detectWithIfNone(Iterable, Predicate2, Object, Object)

injectInto

public static <T,
IV> IV injectInto(IV injectValue,
 List<T> list,
 Function2<? super IV,? super T,? extends IV> function)

See Also:

• Iterate.injectInto(Object, Iterable, Function2)

injectInto

public static <T> int injectInto(int injectValue,
 List<T> list,
 IntObjectToIntFunction<? super T> function)

See Also:

• Iterate.injectInto(int, Iterable, IntObjectToIntFunction)

injectInto

public static <T> long injectInto(long injectValue,
 List<T> list,
 LongObjectToLongFunction<? super T> function)

See Also:

• Iterate.injectInto(long, Iterable, LongObjectToLongFunction)

injectInto

public static <T> double injectInto(double injectValue,
 List<T> list,
 DoubleObjectToDoubleFunction<? super T> function)

See Also:

• Iterate.injectInto(double, Iterable, DoubleObjectToDoubleFunction)

injectInto

public static <T> float injectInto(float injectValue,
 List<T> list,
 FloatObjectToFloatFunction<? super T> function)

See Also:

• Iterate.injectInto(float, Iterable, FloatObjectToFloatFunction)

sumOfInt

public static <T> long sumOfInt(List<T> list,
 IntFunction<? super T> function)

sumOfLong

public static <T> long sumOfLong(List<T> list,
 LongFunction<? super T> function)

sumOfFloat

public static <T> double sumOfFloat(List<T> list,
 FloatFunction<? super T> function)

sumOfDouble

public static <T> double sumOfDouble(List<T> list,
 DoubleFunction<? super T> function)

sumOfBigDecimal

public static <T> BigDecimal sumOfBigDecimal(List<T> list,
 Function<? super T,BigDecimal> function)

sumOfBigInteger

public static <T> BigInteger sumOfBigInteger(List<T> list,
 Function<? super T,BigInteger> function)

sumByBigDecimal

public static <V,
T> MutableMap<V,BigDecimal> sumByBigDecimal(List<T> list,
 Function<T,V> groupBy,
 Function<? super T,BigDecimal> function)

sumByBigInteger

public static <V,
T> MutableMap<V,BigInteger> sumByBigInteger(List<T> list,
 Function<T,V> groupBy,
 Function<? super T,BigInteger> function)

sumByInt

public static <V,
T> ObjectLongMap<V> sumByInt(List<T> list,
 Function<T,V> groupBy,
 IntFunction<? super T> function)

sumByLong

public static <V,
T> ObjectLongMap<V> sumByLong(List<T> list,
 Function<T,V> groupBy,
 LongFunction<? super T> function)

sumByFloat

public static <V,
T> ObjectDoubleMap<V> sumByFloat(List<T> list,
 Function<T,V> groupBy,
 FloatFunction<? super T> function)

sumByDouble

public static <V,
T> ObjectDoubleMap<V> sumByDouble(List<T> list,
 Function<T,V> groupBy,
 DoubleFunction<? super T> function)

anySatisfy

public static <T> boolean anySatisfy(List<T> list,
 Predicate<? super T> predicate)

See Also:

• Iterate.anySatisfy(Iterable, Predicate)

anySatisfyWith

public static <T,
IV> boolean anySatisfyWith(List<T> list,
 Predicate2<? super T,? super IV> predicate,
 IV injectedValue)

See Also:

• Iterate.anySatisfyWith(Iterable, Predicate2, Object)

allSatisfy

public static <T> boolean allSatisfy(List<T> list,
 Predicate<? super T> predicate)

See Also:

• Iterate.allSatisfy(Iterable, Predicate)

allSatisfyWith

public static <T,
IV> boolean allSatisfyWith(List<T> list,
 Predicate2<? super T,? super IV> predicate,
 IV injectedValue)

See Also:

• Iterate.allSatisfyWith(Iterable, Predicate2, Object)

noneSatisfy

public static <T> boolean noneSatisfy(List<T> list,
 Predicate<? super T> predicate)

See Also:

• Iterate.noneSatisfy(Iterable, Predicate)

noneSatisfyWith

public static <T,
P> boolean noneSatisfyWith(List<T> list,
 Predicate2<? super T,? super P> predicate,
 P injectedValue)

See Also:

• Iterate.noneSatisfyWith(Iterable, Predicate2, Object)

selectAndRejectWith

public static <T,
IV> Twin<MutableList<T>> selectAndRejectWith(List<T> list,
 Predicate2<? super T,? super IV> predicate,
 IV injectedValue)

See Also:

• Iterate.selectAndRejectWith(Iterable, Predicate2, Object)

partition

public static <T> PartitionMutableList<T> partition(List<T> list,
 Predicate<? super T> predicate)

See Also:

• Iterate.partition(Iterable, Predicate)

partitionWith

public static <T,
P> PartitionMutableList<T> partitionWith(List<T> list,
 Predicate2<? super T,? super P> predicate,
 P parameter)

removeIf

public static <T> boolean removeIf(List<T> list,
 Predicate<? super T> predicate)

See Also:

• Iterate.removeIf(Iterable, Predicate)

removeIfWith

public static <T,
P> boolean removeIfWith(List<T> list,
 Predicate2<? super T,? super P> predicate,
 P parameter)

See Also:

• Iterate.removeIfWith(Iterable, Predicate2, Object)

removeIf

public static <T> boolean removeIf(List<T> list,
 Predicate<? super T> predicate,
 Procedure<? super T> procedure)

removeIfWith

public static <T,
P> boolean removeIfWith(List<T> list,
 Predicate2<? super T,? super P> predicate,
 P parameter,
 Procedure<? super T> procedure)

detectIndex

public static <T> int detectIndex(List<T> list,
 Predicate<? super T> predicate)

Searches for the first index where the predicate evaluates to true.

detectIndexWith

public static <T,
P> int detectIndexWith(List<T> list,
 Predicate2<? super T,? super P> predicate,
 P parameter)

Searches for the first index where the predicate2 and parameter evaluates to true.

detectLastIndex

public static <T> int detectLastIndex(List<T> list,
 Predicate<? super T> predicate)

Returns the last index where the predicate evaluates to true. Returns -1 for no matches.

injectIntoWith

public static <T,
IV,
P> IV injectIntoWith(IV injectedValue,
 List<T> list,
 Function3<? super IV,? super T,? super P,? extends IV> function,
 P parameter)

forEachWith

public static <T,
P> void forEachWith(List<T> list,
 Procedure2<? super T,? super P> procedure,
 P parameter)

See Also:

• Iterate.forEachWith(Iterable, Procedure2, Object)

collectWith

public static <T,
P,
A> MutableList<A> collectWith(List<T> list,
 Function2<? super T,? super P,? extends A> function,
 P parameter)

See Also:

• Iterate.collectWith(Iterable, Function2, Object)

collectWith

public static <T,
P,
A,
R extends Collection<A>> R collectWith(List<T> list,
 Function2<? super T,? super P,? extends A> function,
 P parameter,
 R targetCollection)

See Also:

• Iterate.collectWith(Iterable, Function2, Object, Collection)

distinct

@Deprecated
public static <T,
R extends List<T>> R distinct(List<T> list,
 R targetList)

Deprecated.

in 7.0.

distinct

public static <T> MutableList<T> distinct(List<T> list)

Since:

7.0.

distinct

public static <T> MutableList<T> distinct(List<T> list,
 HashingStrategy<? super T> hashingStrategy)

Since:

7.0.

distinctBy

public static <T,
V> MutableList<T> distinctBy(List<T> list,
 Function<? super T,? extends V> function)

Since:

9.0

reverseThis

public static <T> List<T> reverseThis(List<T> list)

Reverses the order of the items in the list.

     List<Integer> integers = Lists.fixedSize.of(1, 3, 2);
     Verify.assertListsEqual(FastList.newListWith(2, 3, 1), ListIterate.reverse(integers));
 

Returns:

the reversed list

take

public static <T> MutableList<T> take(List<T> list,
 int count)

See Also:

• Iterate.take(Iterable, int)

take

public static <T,
R extends Collection<T>> R take(List<T> list,
 int count,
 R targetList)

See Also:

• Iterate.take(Iterable, int)

drop

public static <T> MutableList<T> drop(List<T> list,
 int count)

See Also:

• Iterate.drop(Iterable, int)

drop

public static <T,
R extends Collection<T>> R drop(List<T> list,
 int count,
 R targetList)

See Also:

• Iterate.drop(Iterable, int)

appendString

public static <T> void appendString(List<T> list,
 Appendable appendable,
 String start,
 String separator,
 String end)

See Also:

• RichIterable.appendString(Appendable, String, String, String)

groupBy

public static <T,
V> FastListMultimap<V,T> groupBy(List<T> list,
 Function<? super T,? extends V> function)

See Also:

• Iterate.groupBy(Iterable, Function)

groupBy

public static <T,
V,
R extends MutableMultimap<V,
T>>
R groupBy(List<T> list,
 Function<? super T,? extends V> function,
 R target)

See Also:

• Iterate.groupBy(Iterable, Function, MutableMultimap)

groupByEach

public static <T,
V> FastListMultimap<V,T> groupByEach(List<T> list,
 Function<? super T,? extends Iterable<V>> function)

See Also:

• Iterate.groupByEach(Iterable, Function)

groupByEach

public static <T,
V,
R extends MutableMultimap<V,
T>>
R groupByEach(List<T> list,
 Function<? super T,? extends Iterable<V>> function,
 R target)

See Also:

• Iterate.groupByEach(Iterable, Function, MutableMultimap)

groupByUniqueKey

public static <K,
T> MutableMap<K,T> groupByUniqueKey(List<T> list,
 Function<? super T,? extends K> function)

See Also:

• Iterate.groupByUniqueKey(Iterable, Function)

groupByUniqueKey

public static <K,
T,
R extends MutableMapIterable<K,
T>>
R groupByUniqueKey(List<T> list,
 Function<? super T,? extends K> function,
 R target)

See Also:

• Iterate.groupByUniqueKey(Iterable, Function, MutableMapIterable)

min

public static <T> T min(List<T> list,
 Comparator<? super T> comparator)

See Also:

• Iterate.min(Iterable, Comparator)

minBy

public static <T,
V extends Comparable<? super V>> T minBy(List<T> list,
 Function<? super T,? extends V> function)

maxBy

public static <T,
V extends Comparable<? super V>> T maxBy(List<T> list,
 Function<? super T,? extends V> function)

max

public static <T> T max(List<T> list,
 Comparator<? super T> comparator)

See Also:

• Iterate.max(Iterable, Comparator)

min

public static <T> T min(List<T> list)

See Also:

• Iterate.min(Iterable)

max

public static <T> T max(List<T> list)

See Also:

• Iterate.max(Iterable)

chunk

public static <T> RichIterable<RichIterable<T>> chunk(List<T> list,
 int size)

See Also:

• Iterate.chunk(Iterable, int)

zip

public static <X,
Y> MutableList<Pair<X,Y>> zip(List<X> list,
 Iterable<Y> iterable)

See Also:

• Iterate.zip(Iterable, Iterable)

zip

public static <X,
Y,
R extends Collection<Pair<X,
Y>>>
R zip(List<X> list,
 Iterable<Y> iterable,
 R target)

See Also:

• Iterate.zip(Iterable, Iterable, Collection)

zipWithIndex

public static <T> MutableList<Pair<T,Integer>> zipWithIndex(List<T> list)

See Also:

• Iterate.zipWithIndex(Iterable)

zipWithIndex

public static <T,
R extends Collection<Pair<T,
Integer>>>
R zipWithIndex(List<T> list,
 R target)

See Also:

• Iterate.zipWithIndex(Iterable, Collection)

takeWhile

public static <T> MutableList<T> takeWhile(List<T> list,
 Predicate<? super T> predicate)

See Also:

• ListIterable.takeWhile(Predicate)

dropWhile

public static <T> MutableList<T> dropWhile(List<T> list,
 Predicate<? super T> predicate)

See Also:

• ListIterable.dropWhile(Predicate)

partitionWhile

public static <T> PartitionMutableList<T> partitionWhile(List<T> list,
 Predicate<? super T> predicate)

See Also:

• ListIterable.partitionWhile(Predicate)