public class NumberKit extends Object
| 限定符和类型 | 方法和说明 |
|---|---|
static int |
getClosest2Index(int a)
获取最接近的最大2的指数次幂,可能为其本身
|
static int |
getClosest2IndexGreaterThanSelf(int a)
获取最接近的最大2的指数次幂 一定大于本身
|
static String |
keep1Point(double value)
浮点保留1位小数(少的位数不补零)
|
static String |
keep2Point(double value)
浮点保留两位小数(少的位数不补零)
|
static String |
keep2PointZero(double value)
浮点保留两位小数(少位补零)
|
static String |
keepRandomPoint(Double value,
int n)
保留指定位数的小数(少的位数不补零)
|
static double |
keepRandomPointDouble(double var1,
int n)
保留指定位数的小数(少的位数不补零)
|
static String |
keepRandomPointZero(double value,
int n)
浮点保留任意位小数(少位补零)
|
static String |
latLngPoint(double value)
获取格式化经纬度后的小数(保留3位)
|
static String |
percent2Point(double value)
百分比保留两位小数
|
static String |
percent2Point(double var1,
double var2)
result = var1/var2
就算结果百分比保留两位小数
|
static String |
percentRandomPoint(double value,
int n)
获取任意小数点位的百分比表示
|
static int |
rangeRandomNumber(int min,
int max)
生成指定范围内的随机数
|
public static int getClosest2IndexGreaterThanSelf(int a)
a - 数值public static int getClosest2Index(int a)
a - 数值public static double keepRandomPointDouble(double var1,
int n)
public static String keep2Point(double value)
public static String keep1Point(double value)
public static String keepRandomPointZero(double value, int n)
public static String keep2PointZero(double value)
public static String percentRandomPoint(double value, int n)
public static String percent2Point(double var1, double var2)
var1 - 被除数var2 - 除数public static String percent2Point(double value)
public static String latLngPoint(double value)
public static int rangeRandomNumber(int min,
int max)
min - 最小值max - 最大值Copyright © 2019. All rights reserved.