Randoms (polaris-toolkit 3.2.53 API)

java.lang.Object
- io.polaris.core.random.Randoms

```
public class Randoms
extends Object
```
从以下版本开始:

1.8

作者:

Qt

字段概要

字段
限定符和类型	字段和说明
`static String`	`BASE_CHAR`
`static String`	`BASE_CHAR_LOWER`
`static String`	`BASE_CHAR_NUMBER`
`static String`	`BASE_CHAR_NUMBER_LOWER`
`static String`	`BASE_NUMBER`

构造器概要

构造器
构造器和说明

Randoms()

构造器
构造器和说明
`Randoms()`

方法概要

所有方法静态方法具体方法
限定符和类型	方法和说明
`static SecureRandom`	`createSecureRandom(byte[] seed)`
`static ThreadLocalRandom`	`getRandom()`
`static Random`	`getRandom(boolean isSecure)`
`static SecureRandom`	`getSecureRandom()`
`static SecureRandom`	`getSecureRandom(byte[] seed)`
`static SecureRandom`	`getSHA1PRNGRandom(byte[] seed)`
`static boolean`	`randomBoolean()`
`static byte[]`	`randomBytes(int length)`
`static char`	`randomChar()`
`static char`	`randomChar(String baseString)`
`static char`	`randomChinese()`
`static String`	`randomChineseString(int length)`
`static Color`	`randomColor()`
`static Date`	`randomDate(Date baseDate, int min, int max)`
`static double`	`randomDouble()`
`static double`	`randomDouble(double limit)`
`static double`	`randomDouble(double min, double max)`
`static <T> T`	`randomElement(List<T> list)`
`static <T> T`	`randomElement(List<T> list, int limit)`
`static <T> T`	`randomElement(T[] array)`
`static <T> T`	`randomElement(T[] array, int limit)`
`static int[]`	`randomIndices(int length)`
`static int`	`randomInt()`
`static int`	`randomInt(int limit)`
`static int`	`randomInt(int min, int max)`
`static long`	`randomLong()`
`static long`	`randomLong(long limit)`
`static long`	`randomLong(long min, long max)`
`static char`	`randomNumberChar()`
`static String`	`randomNumberString(int length)`
`static String`	`randomString(int length)`
`static String`	`randomString(String baseString, int length)`
`static String`	`randomStringLowerCase(int length)`
`static <T> List<T>`	`randomSubList(List<T> source, int count)`
`static <T> Set<T>`	`randomSubSet(Set<T> set, int count)`

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

字段详细资料
- BASE_NUMBER
```
public static final String BASE_NUMBER
```
  另请参阅:
  
  常量字段值
- BASE_CHAR
```
public static final String BASE_CHAR
```
  另请参阅:
  
  常量字段值
- BASE_CHAR_LOWER
```
public static final String BASE_CHAR_LOWER
```
  另请参阅:
  
  常量字段值
- BASE_CHAR_NUMBER
```
public static final String BASE_CHAR_NUMBER
```
  另请参阅:
  
  常量字段值
- BASE_CHAR_NUMBER_LOWER
```
public static final String BASE_CHAR_NUMBER_LOWER
```
  另请参阅:
  
  常量字段值

构造器详细资料
- Randoms
```
public Randoms()
```

方法详细资料

getRandom

public static ThreadLocalRandom getRandom()

createSecureRandom

public static SecureRandom createSecureRandom(byte[] seed)

getSecureRandom

public static SecureRandom getSecureRandom()

getSecureRandom

public static SecureRandom getSecureRandom(byte[] seed)

getSHA1PRNGRandom

public static SecureRandom getSHA1PRNGRandom(byte[] seed)
                                      throws NoSuchAlgorithmException

抛出:: NoSuchAlgorithmException

getRandom

public static Random getRandom(boolean isSecure)

randomBoolean
```
public static boolean randomBoolean()
```

randomChinese
```
public static char randomChinese()
```

randomInt

public static int randomInt(int min,
                            int max)

randomInt
```
public static int randomInt()
```

randomInt

public static int randomInt(int limit)

randomLong

public static long randomLong(long min,
                              long max)

randomLong
```
public static long randomLong()
```

randomLong

public static long randomLong(long limit)

randomDouble

public static double randomDouble(double min,
                                  double max)

randomDouble
```
public static double randomDouble()
```

randomDouble

public static double randomDouble(double limit)

randomBytes

public static byte[] randomBytes(int length)

randomElement

public static <T> T randomElement(List<T> list)

randomElement

public static <T> T randomElement(List<T> list,
                                  int limit)

randomElement

public static <T> T randomElement(T[] array)

randomElement

public static <T> T randomElement(T[] array,
                                  int limit)

randomSubList

public static <T> List<T> randomSubList(List<T> source,
                                        int count)

randomSubSet

public static <T> Set<T> randomSubSet(Set<T> set,
                                      int count)

randomIndices

public static int[] randomIndices(int length)

randomString

public static String randomString(String baseString,
                                  int length)

randomNumberString

public static String randomNumberString(int length)

randomString

public static String randomString(int length)

randomStringLowerCase

public static String randomStringLowerCase(int length)

randomChineseString

public static String randomChineseString(int length)

randomNumberChar
```
public static char randomNumberChar()
```

randomChar
```
public static char randomChar()
```

randomChar

public static char randomChar(String baseString)

randomColor
```
public static Color randomColor()
```

randomDate

public static Date randomDate(Date baseDate,
                              int min,
                              int max)

类 Randoms

字段概要

构造器概要

方法概要

从类继承的方法 java.lang.Object

字段详细资料

BASE_NUMBER

BASE_CHAR

BASE_CHAR_LOWER

BASE_CHAR_NUMBER

BASE_CHAR_NUMBER_LOWER

构造器详细资料

Randoms

方法详细资料

getRandom

createSecureRandom

getSecureRandom

getSecureRandom

getSHA1PRNGRandom

getRandom

randomBoolean

randomChinese

randomInt

randomInt

randomInt

randomLong

randomLong

randomLong

randomDouble

randomDouble

randomDouble

randomBytes

randomElement

randomElement

randomElement

randomElement

randomSubList

randomSubSet

randomIndices

randomString

randomNumberString

randomString

randomStringLowerCase

randomChineseString

randomNumberChar

randomChar

randomChar

randomColor

randomDate