jp.go.nict.langrid.commons.util

クラス ArrayUtil

java.lang.Object

jp.go.nict.langrid.commons.util.ArrayUtil

public class ArrayUtil
extends Object

作成者:

Takao Nakaguchi

コンストラクタのサマリー

コンストラクタ

コンストラクタと説明
ArrayUtil()

メソッドのサマリー

修飾子とタイプ	メソッドと説明
static <T> T[]	append(T[] elements, T... elements2)
static <T> T[]	append(T[] elements, T element)
static <T> T[]	array(Class<T> elementClass, Object... elements)
static <T> T[]	array(T... elements)
static Character[]	box(char[] elements)
static <T> T[]	clone(T[] elements)
static <T,U> U[]	collect(T[] elements, Class<U> clazz, Function<T,U> mapper)
static <T,U> U[]	collect(T[] elements, Function<T,U> mapper)
static <T> boolean	elementsEqual(T[] src, T[] dst)
static String[]	emptyStrings()
static <T> void	fill(T[] array, Supplier<T> sup)
static <T> T[]	filter(T[] elements, Predicate<T> pred)
static <T> T	first(T[] elements)
static <T> T	getWithinBound(T[] elements, int index)
static String	join(Object[] elements, String separator)
static String	join(String[] elements, String separator)
static <T> T	last(T[] elements)
static <T> Stream<T>	stream(T[] array)
static <T> T[]	subArray(T[] elements, int beginIndex)
static <T> T[]	subArray(T[] elements, int beginIndex, int endIndex)
static <T> T[]	toArray(Iterable<T> elements, T[] a)
static byte[][]	toBytesArray(String[] value, String encoding)
static <T> Object	toPrimitiveArray(Collection<T> collection, Class<T> clazz)
static String	toString(Object array)
static String[]	toStringArray(byte[][] value, String encoding)

クラスから継承されたメソッド java.lang.Object

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

コンストラクタの詳細

ArrayUtil

public ArrayUtil()

メソッドの詳細

array

@SafeVarargs
public static <T> T[] array(T... elements)

array

public static <T> T[] array(Class<T> elementClass,
                            Object... elements)

box

public static Character[] box(char[] elements)

first

public static <T> T first(T[] elements)

last

public static <T> T last(T[] elements)

getWithinBound

public static <T> T getWithinBound(T[] elements,
                                   int index)

toString

public static String toString(Object array)

elementsEqual

public static <T> boolean elementsEqual(T[] src,
                                        T[] dst)

toArray

public static <T> T[] toArray(Iterable<T> elements,
                              T[] a)

emptyStrings

public static String[] emptyStrings()

clone

public static <T> T[] clone(T[] elements)

append

public static <T> T[] append(T[] elements,
                             T element)

append

@SafeVarargs
public static <T> T[] append(T[] elements,
                                          T... elements2)

subArray

public static <T> T[] subArray(T[] elements,
                               int beginIndex,
                               int endIndex)

subArray

public static <T> T[] subArray(T[] elements,
                               int beginIndex)

join

public static String join(String[] elements,
                          String separator)

join

public static String join(Object[] elements,
                          String separator)

collect

public static <T,U> U[] collect(T[] elements,
                                Class<U> clazz,
                                Function<T,U> mapper)

collect

public static <T,U> U[] collect(T[] elements,
                                Function<T,U> mapper)

filter

public static <T> T[] filter(T[] elements,
                             Predicate<T> pred)

toBytesArray

public static byte[][] toBytesArray(String[] value,
                                    String encoding)
                             throws UnsupportedEncodingException

例外:

UnsupportedEncodingException

toStringArray

public static String[] toStringArray(byte[][] value,
                                     String encoding)
                              throws UnsupportedEncodingException

例外:

UnsupportedEncodingException

toPrimitiveArray

public static <T> Object toPrimitiveArray(Collection<T> collection,
                                          Class<T> clazz)
                                   throws IllegalArgumentException

例外:

IllegalArgumentException

stream

public static <T> Stream<T> stream(T[] array)

fill

public static <T> void fill(T[] array,
                            Supplier<T> sup)