org.wiztools.commons

Class RandomUtil

java.lang.Object

org.wiztools.commons.RandomUtil

public final class RandomUtil
extends Object

Author:

subwiz

Field Summary

Fields

Modifier and Type	Field and Description
static int	STRING_DEFAULT_LENGTH

Method Summary

Methods

Modifier and Type	Method and Description
static String	getRandomStr()
static String	getRandomStr(int len)
static String	getRandomStr(int len, char[] arr) Generate random string from specified characters.

Methods inherited from class java.lang.Object

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

Field Detail

STRING_DEFAULT_LENGTH

public static final int STRING_DEFAULT_LENGTH

See Also:

Constant Field Values

Method Detail

getRandomStr

public static String getRandomStr()

Returns:

Returns a random string consisting of [a-zA-Z0-9] of length 4 characters.

getRandomStr

public static String getRandomStr(int len)

Parameters:

len - The length of the random string to generate.

Returns:

Returns a random string consisting of [a-zA-Z0-9] of length len characters.

getRandomStr

public static String getRandomStr(int len,
                  char[] arr)

Generate random string from specified characters.

Parameters:

len - of the random string

arr - Randomize characters from this array

Returns:

random characters of length len