Collection

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