ArrayUtils (Broadwick 1.2 API)

java.lang.Object
- broadwick.utils.ArrayUtils

public final class ArrayUtils
extends Object

Useful methods for acting on arrays.

Constructor Summary

Constructors
Modifier Constructor and Description

private ArrayUtils()
Hidden Utility constructor.

Constructors
Modifier	Constructor and Description
`private`	`ArrayUtils()` Hidden Utility constructor.

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`static long`	`max(long[] longs)` Get the maximum element in an array of longs.
`static void`	`scale(long[] longs, double scale)` Modify an array by multiplying each element by a constant scaling factor.
`static Double`	`sum(Double[] doubles)` Get the sum of an array of doubles.
`static Integer`	`sum(Integer[] integers)` Get the sum of an array of integers.
`static List<Double>`	`toArrayListDouble(String str)` Create a new ArrayList from a comma separated list of ints encoded as string values.
`static List<Integer>`	`toArrayListInteger(String str)` Create a new ArrayList from a comma separated list of integers encoded as string values.
`static Collection<String>`	`toCollectionStrings(String str)` Split a string into a collection of strings, ignoring whitespace around each string.
`static Double[]`	`toDoubleArray(String str)` Given a comma separated string containing double values as strings convert them to an array of Doubles.
`static Double[]`	`toDoubleArray(String[] arr)` Given an array containing double values as string convert them to Doubles.
`static Integer[]`	`toIntegerArray(String str)` Given a comma separated string containing integer values as strings convert them to an array of integers.
`static Integer[]`	`toIntegerArray(String[] arr)` Given an array containing integer values as string convert them to integers.
`static String`	`toString(Object[] objects)` Create a csv string for an array of Objects.
`static String`	`toString(Object[] objects, Format fmt)` Create a csv string for an array of Objects.
`static String[]`	`toStringArray(String str)` Split a string into an array strings, ignoring whitespace around each string.
`static String[]`	`toStringArray(String str, char token)` Split a string into an array strings,ignoring whitespace around each string.
`static String[]`	`toStringArray(String str, Pattern token)` Split a string into an array strings,ignoring whitespace around each string.

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

- Constructor Detail
  - ArrayUtils
```
private ArrayUtils()
```
    Hidden Utility constructor.
- Method Detail
  - max
```
public static long max(long[] longs)
```
    Get the maximum element in an array of longs.
    
    Parameters:
    
    longs - the array to search.
    
    Returns:
    
    the maximum value in the array.
  - sum
```
public static Double sum(Double[] doubles)
```
    Get the sum of an array of doubles.
    
    Parameters:
    
    doubles - the array to sum.
    
    Returns:
    
    the sum of the array
  - sum
```
public static Integer sum(Integer[] integers)
```
    Get the sum of an array of integers.
    
    Parameters:
    
    integers - the array to sum.
    
    Returns:
    
    the sum of the array
  - scale
```
public static void scale(long[] longs,
                         double scale)
```
    Modify an array by multiplying each element by a constant scaling factor.
    
    Parameters:
    
    longs - the array to scale.
    
    scale - the scaling factor
  - toDoubleArray
```
public static Double[] toDoubleArray(String[] arr)
```
    Given an array containing double values as string convert them to Doubles.
    
    Parameters:
    
    arr - the String[] to be converted.
    
    Returns:
    
    the converted Double array.
  - toDoubleArray
```
public static Double[] toDoubleArray(String str)
```
    Given a comma separated string containing double values as strings convert them to an array of Doubles.
    
    Parameters:
    
    str - the string containing comma separated double values.
    
    Returns:
    
    the converted Double array.
  - toArrayListDouble
```
public static List<Double> toArrayListDouble(String str)
```
    Create a new ArrayList from a comma separated list of ints encoded as string values.
    
    Parameters:
    
    str - a comma separated list of double values
    
    Returns:
    
    an ArrayList of the strings converted to ints.
  - toIntegerArray
```
public static Integer[] toIntegerArray(String[] arr)
```
    Given an array containing integer values as string convert them to integers.
    
    Parameters:
    
    arr - the String[] to be converted.
    
    Returns:
    
    the converted integer array.
  - toIntegerArray
```
public static Integer[] toIntegerArray(String str)
```
    Given a comma separated string containing integer values as strings convert them to an array of integers.
    
    Parameters:
    
    str - the string containing comma separated double values.
    
    Returns:
    
    the converted integer array.
  - toArrayListInteger
```
public static List<Integer> toArrayListInteger(String str)
```
    Create a new ArrayList from a comma separated list of integers encoded as string values.
    
    Parameters:
    
    str - a comma separated list of integer values
    
    Returns:
    
    an ArrayList of the strings converted to integers.
  - toStringArray
```
public static String[] toStringArray(String str,
                                     Pattern token)
```
    Split a string into an array strings,ignoring whitespace around each string.
    
    Parameters:
    
    str - the string to split
    
    token - the (char) token used to split the string.
    
    Returns:
    
    an array of strings.
  - toStringArray
```
public static String[] toStringArray(String str,
                                     char token)
```
    Split a string into an array strings,ignoring whitespace around each string.
    
    Parameters:
    
    str - the string to split
    
    token - the (char) token used to split the string.
    
    Returns:
    
    an array of strings.
  - toStringArray
```
public static String[] toStringArray(String str)
```
    Split a string into an array strings, ignoring whitespace around each string. The token used to split is the comma.
    
    Parameters:
    
    str - the string to split
    
    Returns:
    
    an array of strings.
  - toCollectionStrings
```
public static Collection<String> toCollectionStrings(String str)
```
    Split a string into a collection of strings, ignoring whitespace around each string. The token used to split is the comma.
    
    Parameters:
    
    str - the string to split
    
    Returns:
    
    a collection of strings.
  - toString
```
public static String toString(Object[] objects)
```
    Create a csv string for an array of Objects.
    
    Parameters:
    
    objects - the array of objects.
    
    Returns:
    
    a csv string of the array.
  - toString
```
public static String toString(Object[] objects,
                              Format fmt)
```
    Create a csv string for an array of Objects.
    
    Parameters:
    
    objects - the array of objects.
    
    fmt - the formatter to beapplied to each element.
    
    Returns:
    
    a csv string of the array.

Class ArrayUtils

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

ArrayUtils

Method Detail

max

sum

sum

scale

toDoubleArray

toDoubleArray

toArrayListDouble

toIntegerArray

toIntegerArray

toArrayListInteger

toStringArray

toStringArray

toStringArray

toCollectionStrings

toString

toString