| Class | Description | 
|---|---|
| ByteArray | 
 This class provides some utilities to manage I/O on a byte array. 
 | 
| Constants | 
 This class provides access to compile-time constants. 
 | 
| EnqueuedWeakReference<T> | 
 EnqueuedWeakReference are objects that are queued in an ReferenceQueue by the
 system when the object they point at (see
  
Reference.get()) is set to null by the
 system. | 
| Immutables | 
 This class gives access to the global immutable objects pool. 
 | 
| ReferenceQueue<T> | 
 ReferenceQueue represents a queue of EnqueuedWeakReference. 
 | 
| ResourceArray | 
 A resource array is an element of  
ResourceBuffer. | 
| ResourceBuffer | 
 A resource buffer contains a set of data which is compacted to obtain a
 minimal footprint. 
 | 
| Timer | 
 A facility for threads to schedule tasks for future execution in a background
 thread. 
 | 
| TimerTask | 
 A task that can be scheduled for one-time or repeated execution by a Timer. 
 | 
| Util | 
 This class offers basic services for B-ON implementation. 
 | 
| WeakHashtable | 
 A  
Hashtable implementation with weak keys. | 
| XMath | 
 This class provides advanced mathematical functions. 
 | 
| Exception | Description | 
|---|---|
| IllegalStateException | 
 Signals that a method has been invoked at an illegal or inappropriate time. 
 | 
| Error | Description | 
|---|---|
| ImmutablesError | 
 Indicates an error accessing immutables data. 
 |