org.jupiter.common.util

类 Lists

java.lang.Object

org.jupiter.common.util.Lists

public final class Lists
extends Object

Static utility methods pertaining to List instances. jupiter org.jupiter.common.util

作者:

jiachun.fjc

方法概要

方法

限定符和类型	方法和说明
static <E> ArrayList<E>	newArrayList() Creates a mutable, empty ArrayList instance.
static <E> ArrayList<E>	newArrayList(E... elements) Creates a mutable ArrayList instance containing the given elements.
static <E> ArrayList<E>	newArrayList(Iterable<? extends E> elements) Creates a mutable ArrayList instance containing the given elements.
static <E> ArrayList<E>	newArrayList(Iterator<? extends E> elements) Creates a mutable ArrayList instance containing the given elements.
static <E> ArrayList<E>	newArrayListWithCapacity(int initialArraySize) Creates an ArrayList instance backed by an array of the exact size specified; equivalent to ArrayList.ArrayList(int).
static <F,T> List<T>	transform(List<F> fromList, Function<? super F,? extends T> function) Returns a list that applies function to each element of fromList.

从类继承的方法 java.lang.Object

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

方法详细资料

newArrayList

public static <E> ArrayList<E> newArrayList()

Creates a mutable, empty ArrayList instance.

newArrayList

public static <E> ArrayList<E> newArrayList(E... elements)

Creates a mutable ArrayList instance containing the given elements.

newArrayList

public static <E> ArrayList<E> newArrayList(Iterable<? extends E> elements)

Creates a mutable ArrayList instance containing the given elements.

newArrayList

public static <E> ArrayList<E> newArrayList(Iterator<? extends E> elements)

Creates a mutable ArrayList instance containing the given elements.

newArrayListWithCapacity

public static <E> ArrayList<E> newArrayListWithCapacity(int initialArraySize)

Creates an ArrayList instance backed by an array of the exact size specified; equivalent to ArrayList.ArrayList(int).

transform

public static <F,T> List<T> transform(List<F> fromList,
                      Function<? super F,? extends T> function)

Returns a list that applies function to each element of fromList. The returned list is a transformed view of fromList; changes to fromList will be reflected in the returned list and vice versa.