CollectionBase
Inheritance: java.lang.Object
All Implemented Interfaces: java.lang.Iterable
public abstract class CollectionBase implements Iterable
Provides the abstract base class for a strongly typed collection.
Constructors
| Constructor | Description |
|---|---|
| CollectionBase() | Initializes a new instance of the CollectionBase class with the default initial capacity. |
| CollectionBase(int capacity) | Initializes a new instance of the CollectionBase class with the specified capacity. |
Methods
| Method | Description |
|---|---|
| add(Object o) | Adds an item to the CollectionBase instance. |
| clear() | Removes all objects from the CollectionBase instance. |
| contains(Object o) | Return whether instance contains this object |
| equals(Object arg0) | |
| get(int index) | Get an item at specified position. |
| getClass() | |
| getCount() | Gets the number of elements contained in the CollectionBase instance. |
| hashCode() | |
| indexOf(Object o) | Determines the index of a specific item in the CollectionBase instance. |
| iterator() | Returns an enumerator that iterates through the CollectionBase instance. |
| notify() | |
| notifyAll() | |
| removeAt(int index) | Removes the item at the specified index. |
| toString() | |
| wait() | |
| wait(long arg0) | |
| wait(long arg0, int arg1) |
CollectionBase()
public CollectionBase()
Initializes a new instance of the CollectionBase class with the default initial capacity.
CollectionBase(int capacity)
public CollectionBase(int capacity)
Initializes a new instance of the CollectionBase class with the specified capacity.
Parameters:
| Parameter | Type | Description |
|---|---|---|
| capacity | int | The number of elements that the new list can initially store. |
add(Object o)
public int add(Object o)
Adds an item to the CollectionBase instance.
Parameters:
| Parameter | Type | Description |
|---|---|---|
| o | java.lang.Object | The Object to add to the CollectionBase instance. |
Returns: int - The position into which the new element was inserted.
clear()
public void clear()
Removes all objects from the CollectionBase instance.
contains(Object o)
public boolean contains(Object o)
Return whether instance contains this object
Parameters:
| Parameter | Type | Description |
|---|---|---|
| o | java.lang.Object | test object |
Returns: boolean - Whether instance contains this object
equals(Object arg0)
public boolean equals(Object arg0)
Parameters:
| Parameter | Type | Description |
|---|---|---|
| arg0 | java.lang.Object |
Returns: boolean
get(int index)
public Object get(int index)
Get an item at specified position.
Parameters:
| Parameter | Type | Description |
|---|---|---|
| index | int | Specified position index. |
Returns: java.lang.Object - The item at specified position.
getClass()
public final native Class<?> getClass()
Returns: java.lang.Class
getCount()
public int getCount()
Gets the number of elements contained in the CollectionBase instance.
Returns: int - The number of elements contained in the CollectionBase instance.
hashCode()
public native int hashCode()
Returns: int
indexOf(Object o)
public int indexOf(Object o)
Determines the index of a specific item in the CollectionBase instance.
Parameters:
| Parameter | Type | Description |
|---|---|---|
| o | java.lang.Object | Determines the index of a specific item in the CollectionBase instance. |
Returns: int - The index of value if found in the list; otherwise, -1.
iterator()
public Iterator iterator()
Returns an enumerator that iterates through the CollectionBase instance.
Returns: java.util.Iterator - An iterator for the CollectionBase instance.
notify()
public final native void notify()
notifyAll()
public final native void notifyAll()
removeAt(int index)
public void removeAt(int index)
Removes the item at the specified index.
Parameters:
| Parameter | Type | Description |
|---|---|---|
| index | int | The zero-based index of the item to remove. |
toString()
public String toString()
Returns: java.lang.String
wait()
public final void wait()
wait(long arg0)
public final native void wait(long arg0)
Parameters:
| Parameter | Type | Description |
|---|---|---|
| arg0 | long |
wait(long arg0, int arg1)
public final void wait(long arg0, int arg1)
Parameters:
| Parameter | Type | Description |
|---|---|---|
| arg0 | long | |
| arg1 | int |