Package com.github.raimannma.methods

Enum Utils

java.lang.Object

java.lang.Enum<Utils>

com.github.raimannma.methods.Utils

All Implemented Interfaces:

Serializable, Comparable<Utils>, Constable

public enum Utils
extends Enum<Utils>

Utils.

Here are some useful functions.

Author:

Manuel Raimann

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Method Summary

Modifier and Type	Method	Description
static <T> T	pickRandom(@NotNull Collection<T> collection)	Chooses a random element from the given collection.
static <T> T	pickRandom(@NotNull T[] arr)	Chooses a random element from the given array.
static boolean	randBoolean()	Generates a random boolean.
static double	randDouble()	Generates a random double between min and max.
static double	randDouble(double max)	Generates a random double between min and max.
static double	randDouble(double min, double max)	Generates a random double between min and max.
static int	randInt(int max)	Generates a random integer between min and max.
static int	randInt(int min, int max)	Generates a random integer between min and max.
static <T> boolean	setsEqual(Set<T> set, Set<T> set1)	Checks if two sets are equal
static Utils	valueOf(String name)	Returns the enum constant of this type with the specified name.
static Utils[]	values()	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Method Details

values

public static Utils[] values()

Returns an array containing the constants of this enum type, in the order they are declared.

Returns:

an array containing the constants of this enum type, in the order they are declared

valueOf

public static Utils valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum type has no constant with the specified name

NullPointerException - if the argument is null

randInt

public static int randInt(int min, int max)

Generates a random integer between min and max.

Parameters:

min - the minimum value

max - the maximum value

Returns:

the random integer between min and max

randDouble

public static double randDouble(double min, double max)

Generates a random double between min and max.

Parameters:

min - the minimum value

max - the maximum value

Returns:

the random double between min and max

randDouble

public static double randDouble(double max)

Generates a random double between min and max.

Parameters:

max - the maximum value

Returns:

the random double between 0 and max

pickRandom

public static <T> T pickRandom(@NotNull @NotNull T[] arr)

Chooses a random element from the given array.

Type Parameters:

T - the type of the array elements

Parameters:

arr - the input array

Returns:

the random element from the input array

randInt

public static int randInt(int max)

Generates a random integer between min and max.

Parameters:

max - the maximum value

Returns:

the random integer between 0 and max

pickRandom

public static <T> T pickRandom(@NotNull @NotNull Collection<T> collection)

Chooses a random element from the given collection.

Type Parameters:

T - the type of the collection elements

Parameters:

collection - the input collection

Returns:

the random element from the input collection

randDouble

public static double randDouble()

Generates a random double between min and max.

Returns:

the random double between 0 and 1

randBoolean

public static boolean randBoolean()

Generates a random boolean.

Returns:

the random boolean

setsEqual

public static <T> boolean setsEqual(Set<T> set, Set<T> set1)

Checks if two sets are equal

DOES NOT CHECK ORDER !

Type Parameters:

T - Generic type parameter

Parameters:

set - first set

set1 - second set

Returns:

are both sets equal?