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Interface structure.Container

public interface Container
This interface describes structures that maintain size information and may be emptied. Many structures within the structure package are containers.

Method Index

o clear()
Empty the container.
o isEmpty()
Determine if container is empty.
o size()
Return the number of elements within the container.

Methods

o size 
 public abstract int size()
Return the number of elements within the container.

Postcondition:
returns the number elements contained in container.

Returns:
The number of elements contained within structure.
o isEmpty 
 public abstract boolean isEmpty()
Determine if container is empty.

Postcondition:
returns true iff container is empty

Returns:
True iff container logically contains no elements.
o clear 
 public abstract void clear()
Empty the container.

Postcondition:
clears container 

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