CoreManager (PlayerNguyenCore 1.0 API)

All Superinterfaces:

java.lang.Iterable<T>

All Known Implementing Classes:

CoreExecutorManager, CoreListenerManager, CoreManagerList, CoreManagerSet, PermissionsManager
```
public interface CoreManager<T>
extends java.lang.Iterable<T>
```
A immutable class to store item. This can store any type like List

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`void`	`add(T item)`	Add new item to the collection
`default void`	`clear()`	Clear all item out of collection
`java.util.Collection<T>`	`collection()`	Collection which contain all items The collection is represent for storage kind (List, Set,...)
`void`	`remove(T item)`	Remove existed item out of collection.
`java.util.stream.Stream<T>`	`stream()`	Get Stream API (Java 8) of current `collection()`

Methods inherited from interface java.lang.Iterable
forEach, iterator, spliterator

- Method Detail
  - collection
```
java.util.Collection<T> collection()
```
    Collection which contain all items The collection is represent for storage kind (List, Set,...)
    
    Returns:
    
    Current collection of manager class
  - add
```
void add(T item)
```
    Add new item to the collection
    
    Parameters:
    
    item - The item to add into collection
  - remove
```
void remove(T item)
```
    Remove existed item out of collection. Using Collection.remove(Object) to remove item from collection()
    
    Parameters:
    
    item - The item to remove out of collection
  - stream
```
java.util.stream.Stream<T> stream()
```
    Get Stream API (Java 8) of current collection()
    
    Returns:
    
    the Collection.stream() methods
  - clear
```
default void clear()
```
    Clear all item out of collection