Collection
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Inheritance: java.lang.Object
All Implemented Interfaces: java.lang.Iterable
public abstract class Collection implements Iterable
It is base class for collections.
Constructors
| Constructor | Description |
|---|---|
| Collection() | Constructor. |
Methods
| Method | Description |
|---|---|
| clear() | Removes all elements from collection. |
| equals(Object arg0) | |
| getClass() | |
| getCount() | Gets the number of elements actually contained in the collection. |
| hashCode() | |
| isExist(int index) | Is exist item in the collection. |
| iterator() | Supports a simple iteration over a nongeneric collection. |
| notify() | |
| notifyAll() | |
| toString() | |
| wait() | |
| wait(long arg0) | |
| wait(long arg0, int arg1) |
Collection()
public Collection()
Constructor.
clear()
public void clear()
Removes all elements from collection.
equals(Object arg0)
public boolean equals(Object arg0)
Parameters:
| Parameter | Type | Description |
|---|---|---|
| arg0 | java.lang.Object |
Returns: boolean
getClass()
public final native Class<?> getClass()
Returns: java.lang.Class
getCount()
public int getCount()
Gets the number of elements actually contained in the collection.
Returns: int
hashCode()
public native int hashCode()
Returns: int
isExist(int index)
public boolean isExist(int index)
Is exist item in the collection.
Parameters:
| Parameter | Type | Description |
|---|---|---|
| index | int | index of element. |
Returns: boolean -
iterator()
public Iterator iterator()
Supports a simple iteration over a nongeneric collection.
Returns: java.util.Iterator -
notify()
public final native void notify()
notifyAll()
public final native void notifyAll()
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 |