com.carrotsearch.randomizedtesting.generators

Class RandomPicks

java.lang.Object

com.carrotsearch.randomizedtesting.generators.RandomPicks

public final class RandomPicks
extends java.lang.Object

Random selections of objects.

Constructor Summary

Constructors

Constructor and Description
RandomPicks()

Method Summary

Modifier and Type	Method and Description
static byte	randomFrom(java.util.Random r, byte[] array)
static char	randomFrom(java.util.Random r, char[] array)
static <T> T	randomFrom(java.util.Random r, java.util.Collection<T> collection) Pick a random object from the collection.
static double	randomFrom(java.util.Random r, double[] array)
static float	randomFrom(java.util.Random r, float[] array)
static int	randomFrom(java.util.Random r, int[] array)
static <T> T	randomFrom(java.util.Random r, java.util.List<T> list) Pick a random object from the given list.
static long	randomFrom(java.util.Random r, long[] array)
static short	randomFrom(java.util.Random r, short[] array)
static <T> T	randomFrom(java.util.Random r, T[] array) Pick a random object from the given array.

Methods inherited from class java.lang.Object

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

Constructor Detail

RandomPicks

public RandomPicks()

Method Detail

randomFrom

public static byte randomFrom(java.util.Random r,
                              byte[] array)

randomFrom

public static short randomFrom(java.util.Random r,
                               short[] array)

randomFrom

public static int randomFrom(java.util.Random r,
                             int[] array)

randomFrom

public static char randomFrom(java.util.Random r,
                              char[] array)

randomFrom

public static float randomFrom(java.util.Random r,
                               float[] array)

randomFrom

public static long randomFrom(java.util.Random r,
                              long[] array)

randomFrom

public static double randomFrom(java.util.Random r,
                                double[] array)

randomFrom

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

Pick a random object from the given array.

randomFrom

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

Pick a random object from the given list.

randomFrom

public static <T> T randomFrom(java.util.Random r,
                               java.util.Collection<T> collection)

Pick a random object from the collection. Requires linear scanning.