public class UnboundedGrid<E> extends AbstractGrid<E>
UnboundedGrid
is a rectangular grid with an unbounded number of rows and
columns. Constructor and Description |
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UnboundedGrid()
Constructs an empty unbounded grid.
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Modifier and Type | Method and Description |
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E |
get(Location loc)
Returns the object at a given location in this grid.
|
int |
getNumCols()
Returns the number of columns in this grid.
|
int |
getNumRows()
Returns the number of rows in this grid.
|
java.util.ArrayList<Location> |
getOccupiedLocations()
Gets the locations in this grid that contain objects.
|
boolean |
isValid(Location loc)
Checks whether a location is valid in this grid.
|
E |
put(Location loc,
E obj)
Puts an object at a given location in this grid.
|
E |
remove(Location loc)
Removes the object at a given location from this grid.
|
getEmptyAdjacentLocations, getNeighbors, getOccupiedAdjacentLocations, getValidAdjacentLocations, toString
public int getNumRows()
Grid
public int getNumCols()
Grid
public boolean isValid(Location loc)
Grid
loc
is not null
loc
- the location to checktrue
if loc
is valid in this grid,
false
otherwisepublic java.util.ArrayList<Location> getOccupiedLocations()
Grid
public E get(Location loc)
Grid
loc
is valid in this gridloc
- a location in this gridloc
(or null
if the location is unoccupied)
public E put(Location loc, E obj)
Grid
loc
is valid in this grid (2)
obj
is not null
loc
- the location at which to put the objectobj
- the new object to be addedloc
(or null
if the location was previously unoccupied)public E remove(Location loc)
Grid
loc
is valid in this gridloc
- the location of the object that is to be removednull if the location
is unoccupied)