Package com.xxl.tool.id

Class RandomIdTool

java.lang.Object

com.xxl.tool.id.RandomIdTool

public class RandomIdTool
extends Object

random id tool

Author:

xuxueli 2025-06-29

Constructor Summary

Constructors

Constructor	Description
RandomIdTool()

Method Summary

Modifier and Type	Method	Description
static String	getAlphaNumeric()	get random alpha numeric, default length 20
static String	getAlphaNumeric(int length)	get random alpha numeric
static String	getAlphaNumericWithSpecial()	get random alpha numeric with special chars, default length is 20
static String	getAlphaNumericWithSpecial(int length)	get random alpha numeric with special chars
static String	getDigitId()	get random digits, default length 20
static String	getDigitId(int length)	get random digits
static String	getLowercaseId()	get random lowercase letters, default length 20
static String	getLowercaseId(int length)	get random lowercase letters
static String	getRandomId(String characters, int length)	get random id
static String	getUppercaseId()	get random uppercase letters, default length 20
static String	getUppercaseId(int length)	get random uppercase letters

Methods inherited from class java.lang.Object

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

Constructor Details

RandomIdTool

public RandomIdTool()

Method Details

getDigitId

public static String getDigitId()

get random digits, default length 20

getDigitId

public static String getDigitId(int length)

get random digits

Parameters:

length -

Returns:

getLowercaseId

public static String getLowercaseId()

get random lowercase letters, default length 20

Returns:

getLowercaseId

public static String getLowercaseId(int length)

get random lowercase letters

Parameters:

length -

Returns:

getUppercaseId

public static String getUppercaseId()

get random uppercase letters, default length 20

Returns:

getUppercaseId

public static String getUppercaseId(int length)

get random uppercase letters

Parameters:

length -

Returns:

getAlphaNumeric

public static String getAlphaNumeric()

get random alpha numeric, default length 20

Returns:

getAlphaNumeric

public static String getAlphaNumeric(int length)

get random alpha numeric

Parameters:

length -

Returns:

getAlphaNumericWithSpecial

public static String getAlphaNumericWithSpecial()

get random alpha numeric with special chars, default length is 20

Returns:

getAlphaNumericWithSpecial

public static String getAlphaNumericWithSpecial(int length)

get random alpha numeric with special chars

Parameters:

length -

Returns:

getRandomId

public static String getRandomId(String characters,
 int length)

get random id

Parameters:

length -

Returns: