The life of TB

# IState.java public interface IState { IState s1(); IState s2(); IState s3();} # S1.java public class S1 implements IState { @Override public IState s1() {System.out.println("같은 S1 상태 반복");return this; } @Override public IState s2() {System.out.println("A 이벤트 발생");return new S2(); } @Override public IState s3() {System.out.println("E 이벤트 발생");return new S3(); }} # S2.java public class S2 implem..

Java 2016. 7. 19. 21:46

# TicketManager.java import java.util.Vector; public class TicketManager { private Vector ticketPool = new Vector(); private int maxTicket; public TicketManager(int maxTicket) {this.maxTicket = maxTicket; } public boolean requestTicket(Worker worker) {int id = worker.getId();if (ticketPool.size() >= maxTicket) { System.out.println("[" + id + "] 작업대기"); return false;}return true; } public void us..

Java 2016. 7. 19. 20:58

# IObserver.java public interface IObserver { public abstract void update(EventMaker em);} # EventMaker.java import java.util.Iterator;import java.util.Random;import java.util.Vector; public class EventMaker { private Vector observers = new Vector(); private static int number; private static Random r = new Random(); public EventMaker() { } public int getNumber() {return EventMaker.number; } publ..

Java 2016. 7. 19. 11:36

# IMediator.java public interface IMediator { public abstract void play(); public abstract void eat(); public abstract void talk();} # CommonUnit.java public abstract class CommonUnit { IMediator mediator; public void setMediator(IMediator mediator) {this.mediator = mediator; } public abstract void run();} # Unit01.java public class Unit01 extends CommonUnit { @Override public void run() {mediat..

Java 2016. 7. 18. 19:11

# Item.java import java.util.Iterator; public class Item implements Iterable { private String[] items; private int index; public Item() {this.items = new String[10];this.index = 0; } public void add(String item) {if (index == items.length) { String[] largerItems = new String[items.length + 5]; System.arraycopy(items, 0, largerItems, 0, items.length); items = largerItems; largerItems = null;} ite..

Java 2016. 7. 18. 16:57

# ICommand.java public interface ICommand { public abstract void execute();} # Invoker.java public class Invoker { public void execute(ICommand command) {command.execute(); }} # ToggleCommand.java public class ToggleCommand implements ICommand { private boolean isOn; public ToggleCommand() {this.isOn = false; } @Override public void execute() {if (isOn) { isOn = false; System.out.println("boolea..

Java 2016. 7. 18. 14:53

# ICommand.java public interface ICommand { public abstract void exeute();} # CommandManager.java import java.util.ArrayList; public class CommandManager implements ICommand { private ArrayList commands = new ArrayList(); @Override public void exeute() {for (ICommand command : commands) command.exeute(); } public boolean add(ICommand command) {if (command != this) { commands.add(command); return..

Java 2016. 7. 18. 13:22

# Handler.java public abstract class Handler { protected Handler nextHandler; public void setNextHandler(Handler handler) {this.nextHandler = handler; } public abstract void processRequest(Request request);} # Request.java public class Request { private int requestValue = 3; public int getRequest() { return requestValue; } public void setRequest(int value) {this.requestValue = value; }} # Proces..

Java 2016. 7. 15. 23:59