Module org.jhotdraw8.icollection

Package org.jhotdraw8.icollection.readonly

Class AbstractReadOnlyCollection<E>

java.lang.Object

org.jhotdraw8.icollection.readonly.AbstractReadOnlyCollection<E>

Type Parameters:

E - the element type

All Implemented Interfaces:

Iterable<E>, ReadOnlyCollection<E>

Direct Known Subclasses:

AbstractReadOnlyList, AbstractReadOnlySet, ReadOnlyCollectionFacade

public abstract class AbstractReadOnlyCollection<E>
extends Object
implements ReadOnlyCollection<E>

Abstract base class for ReadOnlyCollections.

Constructor Summary

Constructors

Constructor	Description
AbstractReadOnlyCollection()	Sole constructor.

Method Summary

Modifier and Type	Method	Description
boolean	contains(Object o)	Returns true if this collection contains the specified object.
final @NonNull String	toString()	Returns a string representation of this collection.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Methods inherited from interface org.jhotdraw8.icollection.readonly.ReadOnlyCollection

asCollection, characteristics, containsAll, isEmpty, iterator, size, stream, toArray, toArray

Constructor Details

AbstractReadOnlyCollection

public AbstractReadOnlyCollection()

Sole constructor. (For invocation by subclass constructors, typically implicit.).

Method Details

toString

public final @NonNull String toString()

Returns a string representation of this collection. The string representation consists of a list of the collection's elements in the order they are returned by its iterator, enclosed in square brackets ("[]"). Adjacent elements are separated by the characters ", " (comma and space). Elements are converted to strings as by String.valueOf(Object).

Overrides:

toString in class Object

Returns:

a string representation of this collection

contains

public boolean contains(Object o)

Description copied from interface: ReadOnlyCollection

Returns true if this collection contains the specified object.

Specified by:

contains in interface ReadOnlyCollection<E>

Parameters:

o - an object

Returns:

true if this collection contains the specified object