game

Class Main

java.lang.Object

game.Main

public class Main
extends java.lang.Object

Game starting methods. Also serves as a util holder

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	studentDirectory Student directory

Constructor Summary

Constructors

Constructor and Description
Main()

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.String	addQuotes(java.lang.String s) Return s with quotes added around it.
static java.lang.Object	createUserManager(java.lang.String userManagerClass) Create and return an instance of the user-defined manager class
static int	fib(int i) Return fibonachi number i (0 indexed), starting with 0,1,1,2 ...
static void	main(java.lang.String[] args) Read args for a string of a ClassName of the Manager to create, then create an instance of that manager class, create the game and the threads, and start the game.
static <T> T	randomElement(java.util.Collection<T> elms) Return a random element of elms (null if elms is empty).
static int	sumTo(int i) Return the sum of the natural numbers in 0..i, recursively! (mathematicially, that's 0 if i < 0)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

studentDirectory

public static final java.lang.String studentDirectory

Student directory

See Also:

Constant Field Values

Constructor Detail

Main

public Main()

Method Detail

main

public static void main(java.lang.String[] args)
                 throws java.lang.IllegalArgumentException

Read args for a string of a ClassName of the Manager to create, then create an instance of that manager class, create the game and the threads, and start the game.

Parameters:

args - - a 1x... array containing the name of the class of the user wants as the Manager first argument is manager name, other args are flags. If null or empty, uses {"MyManager"} as a 1x1 array of args.

Throws:

java.lang.IllegalArgumentException - if args is null or has length 0.

createUserManager

public static java.lang.Object createUserManager(java.lang.String userManagerClass)
                                          throws java.lang.ClassNotFoundException,
                                                 java.lang.InstantiationException,
                                                 java.lang.IllegalAccessException,
                                                 java.lang.IllegalArgumentException

Create and return an instance of the user-defined manager class

Parameters:

userManagerClass - - the String Name of the class to define

Returns:

- An instance of the user defined class

Throws:

java.lang.ClassNotFoundException - - If the string class is not found

java.lang.InstantiationException - - If there is an error in creating the instance

java.lang.IllegalAccessException - - If the constructor for the class is not visible

java.lang.IllegalArgumentException - - If the given class is not a subclass of Manager.

sumTo

public static int sumTo(int i)

Return the sum of the natural numbers in 0..i, recursively! (mathematicially, that's 0 if i < 0)

fib

public static int fib(int i)

Return fibonachi number i (0 indexed), starting with 0,1,1,2 ... Returns -1 if i is negative or if the calling thread is interrupted

addQuotes

public static java.lang.String addQuotes(java.lang.String s)

Return s with quotes added around it. Used in JSON creation methods throughout project.

randomElement

public static <T> T randomElement(java.util.Collection<T> elms)

Return a random element of elms (null if elms is empty). Synchronizes on elms to prevent concurrent modification.