br.com.brjdevs.java.utils.collections

Class CollectionUtils

java.lang.Object

br.com.brjdevs.java.utils.collections.CollectionUtils

public class CollectionUtils
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
CollectionUtils()

Method Summary

Modifier and Type	Method and Description
static <T,R> java.util.List<R>	apply(java.util.List<T> list, java.util.function.Function<T,R> mapper)
static java.lang.Iterable<java.lang.String>	asIterable(java.util.regex.Pattern pattern, java.lang.String string)
static <T,U> java.util.Map<T,U>	concatMaps(java.util.Map<? extends T,? extends U> map1, java.util.Map<? extends T,? extends U> map2)
static int	random(int size)
static <T> T	random(java.util.List<T> list)
static <T> T	random(java.util.List<T> list, java.util.Random random)
static <T> T	random(T[] array)
static <T> T	random(T[] array, java.util.Random random)
static <T> java.util.Comparator<T>	randomOrder()
static <T> java.util.List<T>	subListOn(java.util.List<T> list, java.util.function.Predicate<T> predicate)
static <T> java.lang.String	toString(java.util.Collection<T> collection, java.util.function.Function<T,java.lang.String> toString, java.lang.String join)

Methods inherited from class java.lang.Object

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

Constructor Detail

CollectionUtils

public CollectionUtils()

Method Detail

apply

public static <T,R> java.util.List<R> apply(java.util.List<T> list,
                                            java.util.function.Function<T,R> mapper)

asIterable

public static java.lang.Iterable<java.lang.String> asIterable(java.util.regex.Pattern pattern,
                                                              java.lang.String string)

randomOrder

public static <T> java.util.Comparator<T> randomOrder()

concatMaps

public static <T,U> java.util.Map<T,U> concatMaps(java.util.Map<? extends T,? extends U> map1,
                                                  java.util.Map<? extends T,? extends U> map2)

random

public static <T> T random(java.util.List<T> list,
                           java.util.Random random)

random

public static <T> T random(T[] array,
                           java.util.Random random)

random

public static <T> T random(java.util.List<T> list)

random

public static <T> T random(T[] array)

random

public static int random(int size)

subListOn

public static <T> java.util.List<T> subListOn(java.util.List<T> list,
                                              java.util.function.Predicate<T> predicate)

toString

public static <T> java.lang.String toString(java.util.Collection<T> collection,
                                            java.util.function.Function<T,java.lang.String> toString,
                                            java.lang.String join)