org.slingerxv.limitart.util

类 RandomUtil

java.lang.Object

org.slingerxv.limitart.util.RandomUtil

public final class RandomUtil
extends Object

随机工具

作者:

Hank

字段概要

字段

限定符和类型	字段和说明
static Random	DEFAULT
static Random	SECURITY

方法概要

限定符和类型	方法和说明
static float	randomFloat(float start, float end) 随机浮点数(包含边界)
static float	randomFloat(Random random, float start, float end) 随机浮点数(包含边界)
static float	randomFloatSecure(float start, float end)
static int	randomInt(int min, int max) 随机整数（包含边界值）
static int	randomInt(Random random, int start, int end) 随机整数（包含边界值）
static int	randomIntSecure(int min, int max)
static long	randomLong(long start, long end) 返回long型(包含边界)
static long	randomLong(Random random, long start, long end) 返回long型(包含边界)
static long	randomLongSecure(long start, long end)
static int	randomOne() 返回1或-1
static int	randomOne(Random random) 返回1或-1
static int	randomOneSecure()
static int	randomWeight(int[] weight)

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

DEFAULT

public static Random DEFAULT

SECURITY

public static Random SECURITY

方法详细资料

randomInt

public static int randomInt(int min,
                            int max)

随机整数（包含边界值）

参数:

min -

max -

返回:

randomIntSecure

public static int randomIntSecure(int min,
                                  int max)

randomInt

public static int randomInt(Random random,
                            int start,
                            int end)

随机整数（包含边界值）

参数:

min -

max -

返回:

randomLong

public static long randomLong(long start,
                              long end)

返回long型(包含边界)

参数:

start -

end -

返回:

randomLongSecure

public static long randomLongSecure(long start,
                                    long end)

randomLong

public static long randomLong(Random random,
                              long start,
                              long end)

返回long型(包含边界)

参数:

random -

start -

end -

返回:

randomFloat

public static float randomFloat(float start,
                                float end)

随机浮点数(包含边界)

参数:

start -

end -

返回:

randomFloatSecure

public static float randomFloatSecure(float start,
                                      float end)

randomFloat

public static float randomFloat(Random random,
                                float start,
                                float end)

随机浮点数(包含边界)

参数:

random -

start -

end -

返回:

randomOne

public static int randomOne()

返回1或-1

返回:

randomOneSecure

public static int randomOneSecure()

randomOne

public static int randomOne(Random random)

返回1或-1

返回:

randomWeight

public static int randomWeight(int[] weight)