echopoint.util
Class RandKit

java.lang.Object
  echopoint.util.RandKit

public class RandKit
extends Object

Method Summary

static Calendar	rand(Calendar start, Calendar end) Returns a new Calendar object which is between start and end
static double	rand(double lo, double hi) get random numbers in a range, lo <= number <= hi
static int	rand(int lo, int hi) get random numbers in a range, lo <= number <= hi
static long	rand(long lo, long hi) get random numbers in a range, lo <= number <= hi
static Object[]	rand(Object[] possibles, Object[] destination) This method will return a random sample of the possibles array into the destination array, without repeating any options.
static boolean	roll(boolean[] booleans) Returns a random boolean from the array of booleans
static char	roll(char[] chars) Returns a random char from the array of chars
static double	roll(double[] doubles) Returns a random double from the array of doubles
static float	roll(float[] floats) Returns a random float from the array of floats
static boolean	roll(int percentageChance) Returns true "chance" percent of the time.
static int	roll(int[] ints) Returns a random int from the array of ints
static Object	roll(List list) Returns a random Object from the List of Objects
static long	roll(long[] longs) Returns a random long from the array of longs
static Object	roll(Object[] arr) Returns a random object from the array of objects
static String	roll(String[] arrStrings) Returns a random String from the array of Strings
static boolean	roll5050() Returns true of false 50 percent of the time

Methods inherited from class java.lang.Object

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

Method Detail

rand

public static double rand(double lo,
                          double hi)

get random numbers in a range, lo <= number <= hi

rand

public static int rand(int lo,
                       int hi)

get random numbers in a range, lo <= number <= hi

rand

public static long rand(long lo,
                        long hi)

get random numbers in a range, lo <= number <= hi

rand

public static Calendar rand(Calendar start,
                            Calendar end)

Returns a new Calendar object which is between start and end

roll

public static char roll(char[] chars)

Returns a random char from the array of chars

roll

public static double roll(double[] doubles)

Returns a random double from the array of doubles

roll

public static float roll(float[] floats)

Returns a random float from the array of floats

roll

public static int roll(int[] ints)

Returns a random int from the array of ints

roll

public static long roll(long[] longs)

Returns a random long from the array of longs

roll

public static Object roll(Object[] arr)

Returns a random object from the array of objects

roll

public static String roll(String[] arrStrings)

Returns a random String from the array of Strings

roll

public static boolean roll(boolean[] booleans)

Returns a random boolean from the array of booleans

roll

public static boolean roll(int percentageChance)

Returns true "chance" percent of the time. Of course chance should be an integer between 0 and 100.

roll

public static Object roll(List list)

Returns a random Object from the List of Objects

roll5050

public static boolean roll5050()

Returns true of false 50 percent of the time

rand

public static Object[] rand(Object[] possibles,
                            Object[] destination)

This method will return a random sample of the possibles array into the destination array, without repeating any options. By providing a destination array, then the eact type of the returned array can be controlled.

Parameters:

possibles - - an array of possible choices

destination - - the destination array for random choices

Returns:

- the destination array itself