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

A

act() - Method in class Fish

Acts for one step in the simulation.

add(Locatable) - Method in class BoundedEnv

Adds a new object to this environment at the location it specifies.

add(Locatable) - Method in interface Environment

Adds a new object to this environment at the location it specifies.

add(Locatable) - Method in class UnboundedEnv

Adds a new object to this environment at the location it specifies.

allObjects() - Method in class BoundedEnv

Returns all the objects in this environment.

allObjects() - Method in interface Environment

Returns all the objects in this environment.

allObjects() - Method in class UnboundedEnv

Returns all the objects in this environment.

B

BoundedEnv - class BoundedEnv.

Marine Biology Simulation: The BoundedEnv class models a bounded, two-dimensional, grid-like environment containing locatable objects.

BoundedEnv(int, int) - Constructor for class BoundedEnv

Constructs an empty BoundedEnv object with the given dimensions.

C

changeDirection(Direction) - Method in class Fish

Modifies this fish's direction.

changeLocation(Location) - Method in class Fish

Modifies this fish's location and notifies the environment.

col() - Method in class Location

Returns the column coordinate of this location.

color() - Method in class Fish

Returns this fish's color.

compareTo(Object) - Method in class Location

Compares this location to other for ordering.

D

DarterFish - class DarterFish.

Marine Biology Simulation: The DarterFish class represents a fish in the Marine Biology Simulation that darts forward two spaces if it can, moves forward one space if it can't move two, and reverses direction (without moving) if it cannot move forward.

DarterFish(Environment, Location) - Constructor for class DarterFish

Constructs a darter fish at the specified location in a given environment.

DarterFish(Environment, Location, Direction) - Constructor for class DarterFish

Constructs a darter fish at the specified location and direction in a given environment.

DarterFish(Environment, Location, Direction, Color) - Constructor for class DarterFish

Constructs a darter fish of the specified color at the specified location and direction.

Debug - class Debug.

The Debug class supports conditional printing of debugging messages.

Debug() - Constructor for class Debug

Direction - class Direction.

Marine Biology Simulation: The Direction class encapsulates the notion of a compass direction such as North, East, South, West.

direction() - Method in class Fish

Returns this fish's direction.

Direction() - Constructor for class Direction

Constructs a default Direction object facing North.

Direction(int) - Constructor for class Direction

Constructs a Direction object.

Direction(String) - Constructor for class Direction

Constructs a Direction object.

E

EAST - Static variable in class Direction

emptyNeighbors() - Method in class Fish

Finds empty locations adjacent to this fish.

EnvDisplay - interface EnvDisplay.

Marine Biology Simulation: The EnvDisplay interface describes the methods needed by all EnvDisplay objects.

Environment - interface Environment.

Marine Biology Simulation: Environment provides an interface for a two-dimensional, grid-like environment containing locatable objects.

environment() - Method in class Fish

Returns this fish's environment.

equals(Object) - Method in class Direction

Tests two Direction objects for equivalence.

equals(Object) - Method in class Location

Tests two locations for equivalence.

F

Fish - class Fish.

Marine Biology Simulation: The Fish class represents a fish in the Marine Biology Simulation.

Fish(Environment, Location) - Constructor for class Fish

Constructs a fish at the specified location in a given environment.

Fish(Environment, Location, Direction) - Constructor for class Fish

Constructs a fish at the specified location and direction in a given environment.

Fish(Environment, Location, Direction, Color) - Constructor for class Fish

Constructs a fish of the specified color at the specified location and direction.

FULL_CIRCLE - Static variable in class Direction

Number of degrees in compass (will not be tested on the Advanced Placement exam).

G

generateChild(Location) - Method in class DarterFish

Creates a new darter fish.

generateChild(Location) - Method in class SlowFish

Creates a new slow fish.

getDirection(Location, Location) - Method in interface Environment

Returns the direction from one location to another.

getDirection(Location, Location) - Method in class SquareEnvironment

Returns the direction from one location to another.

getInstance() - Static method in class RandNumGenerator

Returns a random number generator.

getNeighbor(Location, Direction) - Method in interface Environment

Returns the nearest neighbor of a location in the specified direction.

getNeighbor(Location, Direction) - Method in class SquareEnvironment

Returns the nearest neighbor of a location in the specified direction.

H

hashCode() - Method in class Direction

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

hashCode() - Method in class Location

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

I

id() - Method in class Fish

Returns this fish's ID.

inDegrees() - Method in class Direction

Returns this direction value in degrees.

indexOf(Location) - Method in class UnboundedEnv

Get the index of the object at the specified location.

isEmpty(Location) - Method in class BoundedEnv

Determines whether a specific location in this environment is empty.

isEmpty(Location) - Method in interface Environment

Determines whether a specific location in this environment is empty.

isEmpty(Location) - Method in class UnboundedEnv

Determines whether a specific location in this environment is empty.

isInEnv() - Method in class Fish

Checks whether this fish is in an environment.

isOff() - Static method in class Debug

Checks whether debugging is off (not necessary when using Debug.print and Debug.println).

isOn() - Static method in class Debug

Checks whether debugging is on.

isValid(Direction) - Method in interface Environment

Verifies whether a direction is valid in this environment.

isValid(Direction) - Method in class SquareEnvironment

Verifies whether a direction is valid in this environment.

isValid(Location) - Method in class BoundedEnv

Verifies whether a location is valid in this environment.

isValid(Location) - Method in interface Environment

Verifies whether a location is valid in this environment.

isValid(Location) - Method in class UnboundedEnv

Verifies whether a location is valid in this environment.

L

Locatable - interface Locatable.

Marine Biology Simulation: Locatable is an interface that guarantees that an object knows its location and returns it when the location method is called.

Location - class Location.

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

location() - Method in class Fish

Returns this fish's location.

location() - Method in interface Locatable

Returns the location of this object.

Location(int, int) - Constructor for class Location

Constructs a Location object.

M

main(String[]) - Static method in class MBSGUI

Start the Marine Biology Simulation program.

main(String[]) - Static method in class SimpleMBSDemo1

Start the Marine Biology Simulation program.

main(String[]) - Static method in class SimpleMBSDemo2

Start the Marine Biology Simulation program.

MBSGUI - class MBSGUI.

Marine Biology Simulation: The MBSGUI class provides a main method for a version of the AP Computer Science Marine Biology Simulation with a graphical user interface.

MBSGUI() - Constructor for class MBSGUI

move() - Method in class DarterFish

Moves this fish in its environment.

move() - Method in class Fish

Moves this fish in its environment.

N

neighborsOf(Location) - Method in interface Environment

Returns the immediately adjacent neighbors of a specified location.

neighborsOf(Location) - Method in class SquareEnvironment

Returns the immediately adjacent neighbors of a specified location.

nextLocation() - Method in class DarterFish

Finds this fish's next location.

nextLocation() - Method in class Fish

Finds this fish's next location.

nextLocation() - Method in class SlowFish

Finds this fish's next location.

NORTH - Static variable in class Direction

NORTHEAST - Static variable in class Direction

NORTHWEST - Static variable in class Direction

numCellSides() - Method in interface Environment

Returns the number of sides around each cell (will not be tested on the Advanced Placement exam).

numCellSides() - Method in class SquareEnvironment

Returns the number of sides around each cell (will not be tested on the Advanced Placement exam).

numCols() - Method in class BoundedEnv

Returns number of columns in the environment.

numCols() - Method in interface Environment

Returns number of columns in this environment.

numCols() - Method in class UnboundedEnv

Returns number of columns in this environment.

numObjects() - Method in class BoundedEnv

Returns the number of objects in this environment.

numObjects() - Method in interface Environment

Returns the number of objects in this environment.

numObjects() - Method in class UnboundedEnv

Returns the number of objects in this environment.

numRows() - Method in class BoundedEnv

Returns number of rows in the environment.

numRows() - Method in interface Environment

Returns number of rows in this environment.

numRows() - Method in class UnboundedEnv

Returns number of rows in this environment.

O

objectAt(Location) - Method in class BoundedEnv

Returns the object at a specific location in this environment.

objectAt(Location) - Method in interface Environment

Returns the object at a specific location in this environment.

objectAt(Location) - Method in class UnboundedEnv

Returns the object at a specific location in this environment.

P

print(String) - Static method in class Debug

Prints debugging message without newline.

println(String) - Static method in class Debug

Prints debugging message with newline.

R

RandNumGenerator - class RandNumGenerator.

Marine Biology Simulation: The RandNumGenerator class provides a singleton java.util.Random object for random number generation.

RandNumGenerator() - Constructor for class RandNumGenerator

randomColor() - Method in class Fish

Generates a random color for this fish.

randomDirection() - Method in interface Environment

Generates a valid random direction.

randomDirection() - Method in class SquareEnvironment

Generates a valid random direction.

recordMove(Locatable, Location) - Method in class BoundedEnv

Updates this environment to reflect the fact that an object moved.

recordMove(Locatable, Location) - Method in interface Environment

Updates this environment to reflect the fact that an object moved.

recordMove(Locatable, Location) - Method in class UnboundedEnv

Updates this environment to reflect the fact that an object moved.

remove(Locatable) - Method in class BoundedEnv

Removes the object from this environment.

remove(Locatable) - Method in interface Environment

Removes the object from this environment.

remove(Locatable) - Method in class UnboundedEnv

Removes the object from this environment.

restoreState() - Static method in class Debug

Restores the previous debugging state.

reverse() - Method in class Direction

Returns the direction that is the reverse of this Direction object.

roundedDir(int, Direction) - Method in class Direction

Rounds this direction to the nearest "cardinal" direction (will not be tested on the Advanced Placement exam).

row() - Method in class Location

Returns the row coordinate of this location.

S

showEnv() - Method in interface EnvDisplay

Shows the current state of the environment.

SimpleMBSDemo1 - class SimpleMBSDemo1.

Marine Biology Simulation: The SimpleMBSDemo1 class provides a main method that creates a simulation of a number of fish swimming in a bounded environment.

SimpleMBSDemo1() - Constructor for class SimpleMBSDemo1

SimpleMBSDemo2 - class SimpleMBSDemo2.

Marine Biology Simulation: The SimpleMBSDemo2 class provides a main method that creates a simulation of a number of fish swimming in a bounded environment.

SimpleMBSDemo2() - Constructor for class SimpleMBSDemo2

Simulation - class Simulation.

Marine Biology Simulation: A Simulation object controls a simulation of fish movement in an Environment.

Simulation(Environment, EnvDisplay) - Constructor for class Simulation

Constructs a Simulation object for a particular environment.

SlowFish - class SlowFish.

Marine Biology Simulation: The SlowFish class represents a fish in the Marine Biology Simulation that moves very slowly.

SlowFish(Environment, Location) - Constructor for class SlowFish

Constructs a slow fish at the specified location in a given environment.

SlowFish(Environment, Location, Direction) - Constructor for class SlowFish

Constructs a slow fish at the specified location and direction in a given environment.

SlowFish(Environment, Location, Direction, Color) - Constructor for class SlowFish

Constructs a slow fish of the specified color at the specified location and direction.

SOUTH - Static variable in class Direction

SOUTHEAST - Static variable in class Direction

SOUTHWEST - Static variable in class Direction

SquareEnvironment - class SquareEnvironment.

Marine Biology Simulation: SquareEnvironment is an abstract class that implements only the navigational methods in the Environment interface.

SquareEnvironment() - Constructor for class SquareEnvironment

step() - Method in class Simulation

Runs through a single step of this simulation.

T

toLeft() - Method in class Direction

Returns the direction that is a quarter turn to the left of this Direction object.

toLeft(int) - Method in class Direction

Returns the direction that is deg degrees to the left of this Direction object.

toRight() - Method in class Direction

Returns the direction that is a quarter turn to the right of this Direction object.

toRight(int) - Method in class Direction

Returns the direction that is deg degrees to the right of this Direction object.

toString() - Method in class BoundedEnv

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

toString() - Method in class Direction

Represents this direction as a string.

toString() - Method in class Fish

Returns a string representing key information about this fish.

toString() - Method in class Location

Represents this location as a string.

toString() - Method in class UnboundedEnv

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

turningAngle() - Method in interface Environment

Returns the turning angle for turning in this environment, (for example, 45, 60, 90, 120, 180) (will not be tested on the Advanced Placement exam).

turningAngle() - Method in class SquareEnvironment

Returns the turning angle for turning in this environment (e.g., 45, 60, 90, 120, 180) (will not be tested on the Advanced Placement exam).

turnOff() - Static method in class Debug

Turns debugging off.

turnOn() - Static method in class Debug

Turns debugging on.

U

UnboundedEnv - class UnboundedEnv.

Marine Biology Simulation: The UnboundedEnv class models an unbounded, two-dimensional, grid-like environment containing locatable objects.

UnboundedEnv() - Constructor for class UnboundedEnv

Constructs an empty UnboundedEnv object.

W

WEST - Static variable in class Direction

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