ArrayUtils

All Implemented Interfaces:


public final class ArrayUtils

Author:: Lyubomir Marinov

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description

Field Summary

Fields
Modifier and Type	Field	Description

Constructor Summary

Constructors
Constructor	Description

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`static <T> Array<T>`	`add(Array<T> array, Class<T> componentType, T element)`	Adds a specific element to a specific array with a specific component type if the array does not contain the element yet.
`static <T> Array<T>`	`insert(T element, Array<T> array, Class<T> componentType)`	Inserts the given element into an open (null) slot in the array if there is one, otherwise creates a new array and adds all existing elements and the given element
`static <T> Array<T>`	`concat(Array<T> first, Array<T> second)`	Concatenates two arrays.
`static <T> boolean`	`isNullOrEmpty(Array<T> array)`	Tests whether the array passed in as an argument is null or empty.

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

- Constructor Detail
- Method Detail
  - add
```
 static <T> Array<T> add(Array<T> array, Class<T> componentType, T element)
```
    Adds a specific element to a specific array with a specific component type if the array does not contain the element yet.
    
    Parameters:
    
    array - the array to add element to
    
    componentType - the component type of array
    
    element - the element to add to array
    
    Returns:
    
    an array with the specified componentType and containing element. If array contained elementalready, returns array.
  - insert
```
 static <T> Array<T> insert(T element, Array<T> array, Class<T> componentType)
```
    Inserts the given element into an open (null) slot in the array if there is one, otherwise creates a new array and adds all existing elements and the given element
    
    Parameters:
    
    element - the element to add
    
    array - the array to add to, if possible
    
    componentType - the class type of the array (used if a new one needs to be allocated)
    
    Returns:
    
    an array containing all the elements in the array that was passed, as well as the given element. May or may not be the original array.
  - concat
```
 static <T> Array<T> concat(Array<T> first, Array<T> second)
```
    Concatenates two arrays.
  - isNullOrEmpty
```
 static <T> boolean isNullOrEmpty(Array<T> array)
```
    Tests whether the array passed in as an argument is null or empty.