A B C E F G H I L M N P R S T U W

A

AbstractGrid<E> - Class in com.collegeboard.gridworld.grid

AbstractGrid() - Constructor for class com.collegeboard.gridworld.grid.AbstractGrid

act() - Method in class com.collegeboard.gridworld.actor.Actor

Override this method if your actor needs to carry out an action.

act() - Method in class com.collegeboard.gridworld.actor.Critter

act() - Method in class com.collegeboard.gridworld.actor.Flower

When a flower acts, it "wilts", gradually losing its color.

Actor - Class in com.collegeboard.gridworld.actor

Actor() - Constructor for class com.collegeboard.gridworld.actor.Actor

Constructs a black actor that is facing north.

ActorWorld - Class in com.collegeboard.gridworld.actor

This class manages the world that the actors inhabit, including the display frame and the choices for actors and grids in the frame.

ActorWorld() - Constructor for class com.collegeboard.gridworld.actor.ActorWorld

ActorWorld(Grid<Actor>) - Constructor for class com.collegeboard.gridworld.actor.ActorWorld

add(Location, Actor) - Method in class com.collegeboard.gridworld.actor.ActorWorld

add(T) - Method in interface com.collegeboard.gridworld.grid.World

Adds an occupant at a random location

add(Location, T) - Method in interface com.collegeboard.gridworld.grid.World

Adds an occupant at a given location

addGridClass(String) - Method in interface com.collegeboard.gridworld.grid.World

Adds a class to be shown in the "Set grid" menu.

addOccupantClass(String) - Method in interface com.collegeboard.gridworld.grid.World

Adds a class to be shown when clicking on an empty cell

B

BoundedGrid<E> - Class in com.collegeboard.gridworld.grid

BoundedGrid(int, int) - Constructor for class com.collegeboard.gridworld.grid.BoundedGrid

Constructs an empty BoundedGrid object with the given dimensions.

C

canMove() - Method in class com.collegeboard.gridworld.actor.Critter

Checks whether this critter can move in the current direction.

col() - Method in class com.collegeboard.gridworld.grid.Location

Returns the column coordinate of this location.

com.collegeboard.gridworld.actor - package com.collegeboard.gridworld.actor

com.collegeboard.gridworld.grid - package com.collegeboard.gridworld.grid

compareTo(Object) - Method in class com.collegeboard.gridworld.grid.Location

Compares this location to other for ordering.

Critter - Class in com.collegeboard.gridworld.actor

Critter() - Constructor for class com.collegeboard.gridworld.actor.Critter

Constructs a green critter that drops flowers as it moves.

Critter(Color) - Constructor for class com.collegeboard.gridworld.actor.Critter

Constructs a critter of a given color that drops flowers as it moves.

E

EAST - Static variable in interface com.collegeboard.gridworld.grid.Grid

equals(Object) - Method in class com.collegeboard.gridworld.grid.Location

Indicates whether some other Location object is "equal to" this one.

F

Flower - Class in com.collegeboard.gridworld.actor

Some actors drop flowers as they move.

Flower() - Constructor for class com.collegeboard.gridworld.actor.Flower

Constructs a pink flower.

Flower(Color) - Constructor for class com.collegeboard.gridworld.actor.Flower

Constructs a flower of a given color.

FULL_CIRCLE - Static variable in interface com.collegeboard.gridworld.grid.Grid

G

get(Location) - Method in class com.collegeboard.gridworld.grid.BoundedGrid

get(Location) - Method in interface com.collegeboard.gridworld.grid.Grid

Returns the object at a specific location in this grid (must be valid)

get(Location) - Method in class com.collegeboard.gridworld.grid.UnboundedGrid

getAllNeighborLocations(Location) - Method in class com.collegeboard.gridworld.grid.AbstractGrid

getAllNeighborLocations(Location) - Method in interface com.collegeboard.gridworld.grid.Grid

Gets the valid locations of the neighbors in all directions (north, northeast, east, southeast, south, southwest, west, and northwest)

getColor() - Method in class com.collegeboard.gridworld.actor.Actor

Gets the color of this actor.

getDirection() - Method in class com.collegeboard.gridworld.actor.Actor

Gets the current direction of this actor.

getGrid() - Method in class com.collegeboard.gridworld.actor.Actor

Gets the grid in which this actor is located

getGrid() - Method in interface com.collegeboard.gridworld.grid.World

Gets the grid managed by this world.

getGridClasses() - Method in interface com.collegeboard.gridworld.grid.World

Gets a set of grid classes that should be used by the world frame for this world.

getLocation() - Method in class com.collegeboard.gridworld.actor.Actor

Gets the location of this actor
Precondition: This actor is in a grid

getMainNeighborLocations(Location) - Method in class com.collegeboard.gridworld.grid.AbstractGrid

getMainNeighborLocations(Location) - Method in interface com.collegeboard.gridworld.grid.Grid

Gets the valid locations of the neighbors in the main directions (north, east, south, and west)

getMessage() - Method in interface com.collegeboard.gridworld.grid.World

Gets the message to be displayed in the world frame above the grid.

getNeighborLocation(Location, int) - Method in class com.collegeboard.gridworld.grid.AbstractGrid

getNeighborLocation(Location, int) - Method in interface com.collegeboard.gridworld.grid.Grid

Gets the location in the given direction, or null if there is no valid location in that direction.

getOccupantClasses() - Method in interface com.collegeboard.gridworld.grid.World

Gets a set of occupant classes that should be used by the world frame for this world.

getOccupiedLocations() - Method in class com.collegeboard.gridworld.grid.BoundedGrid

getOccupiedLocations() - Method in interface com.collegeboard.gridworld.grid.Grid

Gets the locations in this grid that contain objects.

getOccupiedLocations() - Method in class com.collegeboard.gridworld.grid.UnboundedGrid

Grid<E> - Interface in com.collegeboard.gridworld.grid

H

HALF_CIRCLE - Static variable in interface com.collegeboard.gridworld.grid.Grid

HALF_LEFT - Static variable in interface com.collegeboard.gridworld.grid.Grid

HALF_RIGHT - Static variable in interface com.collegeboard.gridworld.grid.Grid

hashCode() - Method in class com.collegeboard.gridworld.grid.Location

Generates a hash code for this location (will not be tested on the Advanced Placement exam).

I

isValid(Location) - Method in class com.collegeboard.gridworld.grid.AbstractGrid

isValid(Location) - Method in interface com.collegeboard.gridworld.grid.Grid

Checks whether a location is valid in this grid.

L

LEFT - Static variable in interface com.collegeboard.gridworld.grid.Grid

Location - Class in com.collegeboard.gridworld.grid

AP® Computer Science Marine Biology Simulation:
A Location object represents the row and column of a location in a two-dimensional grid.

Location(int, int) - Constructor for class com.collegeboard.gridworld.grid.Location

Constructs a Location object.

locationClicked(Location) - Method in interface com.collegeboard.gridworld.grid.World

This method is called when the user clicks on a location in the WorldFrame.

M

move() - Method in class com.collegeboard.gridworld.actor.Critter

Moves in the current direction.

moveTo(Location) - Method in class com.collegeboard.gridworld.actor.Actor

Moves this actor to a new location.

N

NORTH - Static variable in interface com.collegeboard.gridworld.grid.Grid

NORTHEAST - Static variable in interface com.collegeboard.gridworld.grid.Grid

NORTHWEST - Static variable in interface com.collegeboard.gridworld.grid.Grid

numCols() - Method in class com.collegeboard.gridworld.grid.BoundedGrid

numCols() - Method in interface com.collegeboard.gridworld.grid.Grid

Returns number of columns in this grid.

numCols() - Method in class com.collegeboard.gridworld.grid.UnboundedGrid

numRows() - Method in class com.collegeboard.gridworld.grid.BoundedGrid

numRows() - Method in interface com.collegeboard.gridworld.grid.Grid

Returns number of rows in this grid.

numRows() - Method in class com.collegeboard.gridworld.grid.UnboundedGrid

P

put(Location, E) - Method in class com.collegeboard.gridworld.grid.BoundedGrid

put(Location, E) - Method in interface com.collegeboard.gridworld.grid.Grid

Adds a new object to this grid.

put(Location, E) - Method in class com.collegeboard.gridworld.grid.UnboundedGrid

putInGrid(Grid<Actor>, Location) - Method in class com.collegeboard.gridworld.actor.Actor

Puts this actor into a grid.

R

remove(Location) - Method in class com.collegeboard.gridworld.grid.BoundedGrid

remove(Location) - Method in interface com.collegeboard.gridworld.grid.Grid

Removes an object from this grid.

remove(Location) - Method in class com.collegeboard.gridworld.grid.UnboundedGrid

removeFromGrid() - Method in class com.collegeboard.gridworld.actor.Actor

Removes an actor from a grid.

RIGHT - Static variable in interface com.collegeboard.gridworld.grid.Grid

Rock - Class in com.collegeboard.gridworld.actor

A rock is an actor that does nothing.

Rock() - Constructor for class com.collegeboard.gridworld.actor.Rock

row() - Method in class com.collegeboard.gridworld.grid.Location

Returns the row coordinate of this location.

S

setColor(Color) - Method in class com.collegeboard.gridworld.actor.Actor

Sets the color of this actor.

setColor(Color) - Method in class com.collegeboard.gridworld.actor.Rock

This method overrides the setColor method in the Actor class to do nothing--rocks are always black.

setGrid(Grid<T>) - Method in interface com.collegeboard.gridworld.grid.World

Sets the grid managed by this world.

setMessage(String) - Method in interface com.collegeboard.gridworld.grid.World

Sets the message to be displayed in the world frame above the grid.

setTracing(boolean) - Method in class com.collegeboard.gridworld.actor.Critter

show() - Method in interface com.collegeboard.gridworld.grid.World

Constructs and shows a frame for this world.

SOUTH - Static variable in interface com.collegeboard.gridworld.grid.Grid

SOUTHEAST - Static variable in interface com.collegeboard.gridworld.grid.Grid

SOUTHWEST - Static variable in interface com.collegeboard.gridworld.grid.Grid

step() - Method in class com.collegeboard.gridworld.actor.ActorWorld

step() - Method in interface com.collegeboard.gridworld.grid.World

This method is called when the user clicks on the step button, or when run mode has been activated by clicking the run button.

T

toString() - Method in class com.collegeboard.gridworld.actor.Actor

toString() - Method in class com.collegeboard.gridworld.grid.AbstractGrid

Creates a string representing all the objects in this grid (not necessarily in any particular order).

toString() - Method in class com.collegeboard.gridworld.grid.Location

Represents this location as a string.

turn(int) - Method in class com.collegeboard.gridworld.actor.Actor

Turns the direction of this actor.

turn() - Method in class com.collegeboard.gridworld.actor.Critter

Turns 45 degrees to the right.

U

UnboundedGrid<E> - Class in com.collegeboard.gridworld.grid

UnboundedGrid() - Constructor for class com.collegeboard.gridworld.grid.UnboundedGrid

Constructs an empty UnboundedEnv object.

W

WEST - Static variable in interface com.collegeboard.gridworld.grid.Grid

World<T> - Interface in com.collegeboard.gridworld.grid

A world is the mediator between a grid and the GridWorld GUI.

A B C E F G H I L M N P R S T U W