MathUtils (Codelogger Utils 1.0.0 API)

java.lang.Object
- org.codelogger.utils.MathUtils

```
public class MathUtils
extends Object
```
A useful to handle math, likes get random value, number to string, and so on.

Author:

DengDefei

Method Summary

Methods
Modifier and Type	Method and Description
`static <T extends Number> double`	`divide(T dividend, T divisor)` Returns a double average number by given dividend and divisor. Returns 0 if dividend == null or divisor == null. Returns 1 if dividend == divisor or divisor == 0.
`static <T extends Number> long`	`divideRoundDown(T dividend, T divisor)` Returns a long average number by round down with specify dividend and divisor. Returns 0 if dividend == null or divisor == null. Returns 1 if dividend == divisor or divisor == 0. e.g: average is 3.5, then return 3.
`static <T extends Number> long`	`divideRoundUp(T dividend, T divisor)` Returns a long average number by round up with specify dividend and divisor. Returns 0 if dividend == null or divisor == null. Returns 1 if dividend == divisor or divisor == 0. e.g: average is 3.5, then return 4.
`static <T extends Number> boolean`	`isAliquot(T dividend, T divisor)` Judge divisor is an aliquot part of dividend. 判断被除数是否能被除数整除。
`static double`	`randomDouble()` Returns a double value between 0.0 and 1.0 from this random number.
`static float`	`randomFloat()` Returns a float value between 0.0 and 1.0 from this random number.
`static int`	`randomInt()` Returns a natural integer value between 0 and integer max value.
`static int`	`randomInt(int max)` Returns a natural integer value between 0 and given max value.
`static int`	`randomInt(int min, int max)` Returns a natural integer number between given minimum value and max value.
`static long`	`randomLong()` Returns a random long value.
`static long`	`randomLong(long max)` Returns a natural long value between 0 and given max value.
`static long`	`randomLong(long min, long max)` Returns a natural long value between given minimum value and max value.
`static <T extends Number> long`	`RoundDown(T number)` Returns a long number by round down with specify number. Returns 0 if number == null. e.g: average is 3.5, then return 3.
`static <T extends Number> long`	`RoundUp(T number)` Returns a long number by round up with specify number. Returns 0 if number == null. e.g: average is 3.5, then return 4.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Method Detail
  - randomInt
```
public static int randomInt()
```
    Returns a natural integer value between 0 and integer max value.
    
    Returns:
    a natural integer value between 0 and integer max value.
  - randomInt
```
public static int randomInt(int max)
```
    Returns a natural integer value between 0 and given max value.
    
    Parameters:
    max - the max value to random.
    
    Returns:
    a natural integer value between 0 and given max value.
  - randomInt
```
public static int randomInt(int min,
            int max)
```
    Returns a natural integer number between given minimum value and max value.
    
    Parameters:
    min - the minimum value to random.
    max - the max value to random.
    
    Returns:
    a natural integer number between given minimum value and max value.
  - randomLong
```
public static long randomLong()
```
    Returns a random long value.
    
    Returns:
    a random long value.
  - randomLong
```
public static long randomLong(long max)
```
    Returns a natural long value between 0 and given max value.
    
    Parameters:
    max - the max value to random.
    
    Returns:
    a natural long value between 0 and given max value.
  - randomLong
```
public static long randomLong(long min,
              long max)
```
    Returns a natural long value between given minimum value and max value.
    
    Parameters:
    min - the minimum value to random.
    max - the max value to random.
    
    Returns:
    a natural long value between given minimum value and max value.
  - randomDouble
```
public static double randomDouble()
```
    Returns a double value between 0.0 and 1.0 from this random number.
    
    Returns:
    a double value between 0.0 and 1.0 from this random number.
  - randomFloat
```
public static float randomFloat()
```
    Returns a float value between 0.0 and 1.0 from this random number.
    
    Returns:
    a float value between 0.0 and 1.0 from this random number.
  - RoundUp
```
public static <T extends Number> long RoundUp(T number)
```
    Returns a long number by round up with specify number.
    Returns 0 if number == null.
    e.g: average is 3.5, then return 4.
    
    Parameters:
    number - number to be handled.
    
    Returns:
    a long number by round up with specify number.
  - RoundDown
```
public static <T extends Number> long RoundDown(T number)
```
    Returns a long number by round down with specify number.
    Returns 0 if number == null.
    e.g: average is 3.5, then return 3.
    
    Parameters:
    number - number to be handled.
    
    Returns:
    a long number by round down with specify number.
  - divide
```
public static <T extends Number> double divide(T dividend,
                               T divisor)
```
    Returns a double average number by given dividend and divisor.
    Returns 0 if dividend == null or divisor == null.
    Returns 1 if dividend == divisor or divisor == 0.
    
    Parameters:
    dividend - number to be handled.
    divisor - number to be handled.
    
    Returns:
    a double average number by given dividend and divisor.
  - divideRoundUp
```
public static <T extends Number> long divideRoundUp(T dividend,
                                    T divisor)
```
    Returns a long average number by round up with specify dividend and divisor.
    Returns 0 if dividend == null or divisor == null.
    Returns 1 if dividend == divisor or divisor == 0.
    e.g: average is 3.5, then return 4.
    
    Parameters:
    dividend - number to be handled.
    divisor - number to be handled.
    
    Returns:
    a long average number by given dividend and divisor.
  - divideRoundDown
```
public static <T extends Number> long divideRoundDown(T dividend,
                                      T divisor)
```
    Returns a long average number by round down with specify dividend and divisor.
    Returns 0 if dividend == null or divisor == null.
    Returns 1 if dividend == divisor or divisor == 0.
    e.g: average is 3.5, then return 3.
    
    Parameters:
    dividend - number to be handled.
    divisor - number to be handled.
    
    Returns:
    a long average number by given dividend and divisor.
  - isAliquot
```
public static <T extends Number> boolean isAliquot(T dividend,
                                   T divisor)
```
    Judge divisor is an aliquot part of dividend.
    判断被除数是否能被除数整除。
    
    Parameters:
    dividend - number to be handled.被除数。
    divisor - number to be handled.除数。
    
    Returns:
    true if divisor is an aliquot part of dividend, otherwise false.是否能被整除。

Class MathUtils

Method Summary

Methods inherited from class java.lang.Object

Method Detail

randomInt

randomInt

randomInt

randomLong

randomLong

randomLong

randomDouble

randomFloat

RoundUp

RoundDown

divide

divideRoundUp

divideRoundDown

isAliquot