Package w.util

Class RandomUtils

java.lang.Object

w.util.RandomUtils

public class RandomUtils
extends Object

Author:

whilein

Constructor Summary

Constructors

Constructor	Description
RandomUtils()

Method Summary

Modifier and Type	Method	Description
boolean	getBoolean()
<T> T	getElement(@NotNull List<T> list)	Deprecated.
<T> T	getElement(T @NotNull [] array)	Deprecated.
int	getInt()
int	getInt(int bound)
int	getInt(int min, int max)
char	getLetter(boolean upperCase)
char	getNumber()
@NotNull Random	getRandom()
boolean	getRandomElement(boolean @NotNull [] array)
byte	getRandomElement(byte @NotNull [] array)
double	getRandomElement(double @NotNull [] array)
float	getRandomElement(float @NotNull [] array)
int	getRandomElement(int @NotNull [] array)
long	getRandomElement(long @NotNull [] array)
short	getRandomElement(short @NotNull [] array)
<T> T	getRandomElement(@NotNull List<T> list)
<T> T	getRandomElement(T @NotNull [] array)
<T> @NotNull Collection<T>	getRandomElements(@NotNull Collection<T> collection, int count, boolean distinct)
<T> @NotNull Collection<T>	getRandomElements(@NotNull List<T> list, int count, boolean distinct)
<T> @NotNull Collection<T>	getRandomElements(T @NotNull [] array, int count, boolean distinct)
@NotNull SecureRandom	getSecureRandom()
static <T> T	removeRandomElement(@Nullable List<T> list)
<T> T	weightedRandom(@NotNull Collection<T> items, @NotNull ToDoubleFunction<T> weightCalculator)

Methods inherited from class java.lang.Object

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

Constructor Details

RandomUtils

public RandomUtils()

Method Details

getSecureRandom

@NotNull
public @NotNull SecureRandom getSecureRandom()

getRandom

@NotNull
public @NotNull Random getRandom()

getRandomElements

@NotNull
public <T> @NotNull Collection<T> getRandomElements(T @NotNull [] array,
 int count,
 boolean distinct)

getRandomElements

@NotNull
public <T> @NotNull Collection<T> getRandomElements(@NotNull
 @NotNull List<T> list,
 int count,
 boolean distinct)

removeRandomElement

@Nullable
public static <T> T removeRandomElement(@Nullable
 @Nullable List<T> list)

getRandomElements

@NotNull
public <T> @NotNull Collection<T> getRandomElements(@NotNull
 @NotNull Collection<T> collection,
 int count,
 boolean distinct)

weightedRandom

@Nullable
public <T> T weightedRandom(@NotNull
 @NotNull Collection<T> items,
 @NotNull
 @NotNull ToDoubleFunction<T> weightCalculator)

getRandomElement

public boolean getRandomElement(boolean @NotNull [] array)

getRandomElement

public byte getRandomElement(byte @NotNull [] array)

getRandomElement

public short getRandomElement(short @NotNull [] array)

getRandomElement

public int getRandomElement(int @NotNull [] array)

getRandomElement

public long getRandomElement(long @NotNull [] array)

getRandomElement

public float getRandomElement(float @NotNull [] array)

getRandomElement

public double getRandomElement(double @NotNull [] array)

getRandomElement

public <T> T getRandomElement(T @NotNull [] array)

getRandomElement

public <T> T getRandomElement(@NotNull
 @NotNull List<T> list)

getElement

@Deprecated
public <T> T getElement(T @NotNull [] array)

Deprecated.

See Also:

• getRandomElement(Object[])

getElement

@Deprecated
public <T> T getElement(@NotNull
 @NotNull List<T> list)

Deprecated.

See Also:

• getRandomElement(List)

getInt

public int getInt(int min,
 int max)

getLetter

public char getLetter(boolean upperCase)

getNumber

public char getNumber()

getInt

public int getInt(int bound)

getInt

public int getInt()

getBoolean

public boolean getBoolean()