public class ArrayUtils extends Object
Modifier and Type | Field and Description |
---|---|
static Object[] |
EMPTY_OBJECT_ARRAY |
static String[] |
EMPTY_STRING_ARRAY |
Modifier | Constructor and Description |
---|---|
protected |
ArrayUtils() |
Modifier and Type | Method and Description |
---|---|
static <T> void |
addAll(Collection<? super T> collection,
Collection<? extends T> toAdd)
Same as
Collection.addAll(Collection) but in case of RandomAccess iterates over indices |
static Class |
commonClass(Class c1,
Class c2) |
static Object |
concat(Object[] arrs)
Concatenates arrays into one.
|
static Object |
concat(Object toArray,
int totalLen,
Object[] arrs) |
static Object |
concat(Object arr1,
Object arr2)
Concatenates two arrays into one.
|
static Object |
concat(Object arr1,
Object arr2,
Object arr3) |
static Object |
concat(Object arr1,
Object arr2,
Object arr3,
Object arr4) |
static Object |
concat(Object arr1,
Object arr2,
Object arr3,
Object arr4,
Object arr5) |
static Object |
concatSameType(Object toArray,
Object[] arrs) |
static boolean |
contains(Object[] array,
Object value) |
public static final Object[] EMPTY_OBJECT_ARRAY
public static final String[] EMPTY_STRING_ARRAY
public static Object concat(Object arr1, Object arr2)
arr1
- input arrayarr2
- input arraypublic static Object concat(Object[] arrs)
arrs
- array of arrayspublic static <T> void addAll(Collection<? super T> collection, Collection<? extends T> toAdd)
Collection.addAll(Collection)
but in case of RandomAccess iterates over indicesCopyright © 2020 The Apache Software Foundation. All rights reserved.