Package cern.colt.list

Class AbstractCollection

java.lang.Object
cern.colt.PersistentObject
cern.colt.list.AbstractCollection
All Implemented Interfaces:
Serializable, Cloneable
Direct Known Subclasses:
AbstractList
public abstract class AbstractCollection
extends PersistentObject
Abstract base class for resizable collections holding objects or primitive data types such as int, float, etc. First see the package summary and javadoc tree view to get the broad picture.

Note that this implementation is not synchronized.

Version:
1.0, 09/24/99
Author:
wolfgang.hoschek@cern.ch
See Also:
ArrayList, Vector, Arrays, Serialized Form

  • Constructor Summary

    Constructors 
    Modifier Constructor Description
    protected AbstractCollection()
    Makes this class non instantiable, but still let's others inherit from it.

  • Method Summary

    Modifier and Type Method Description
    abstract void clear()
    Removes all elements from the receiver.
    boolean isEmpty()
    Tests if the receiver has no elements.
    abstract int size()
    Returns the number of elements contained in the receiver.
    abstract ArrayList toList()
    Returns a java.util.ArrayList containing all the elements in the receiver.
    String toString()
    Returns a string representation of the receiver, containing the String representation of each element.

    Methods inherited from class cern.colt.PersistentObject

    clone

    Methods inherited from class java.lang.Object

    equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

  • Constructor Details

    • AbstractCollection

      protected AbstractCollection()
      Makes this class non instantiable, but still let's others inherit from it.

  • Method Details

    • clear

      public abstract void clear()
      Removes all elements from the receiver. The receiver will be empty after this call returns.

    • isEmpty

      public boolean isEmpty()
      Tests if the receiver has no elements.
      Returns:
      true if the receiver has no elements; false otherwise.

    • size

      public abstract int size()
      Returns the number of elements contained in the receiver.
      Returns:
      the number of elements contained in the receiver.

    • toList

      public abstract ArrayList toList()
      Returns a java.util.ArrayList containing all the elements in the receiver.

    • toString

      public String toString()
      Returns a string representation of the receiver, containing the String representation of each element.
      Overrides:
      toString in class Object