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jamalgithubjamalgithub
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14:16 13/10/2019
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‎java-design-patterns/src/adapter/Adapter-design-pattern.png‎

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‎java-design-patterns/src/adapter/Bicycle.java‎

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package adapter;
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/**
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* @author Khalid Elshafie <abolkog@gmail.com>
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* @created 27/02/2018.
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*/
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//Adaptee
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public class Bicycle {
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public void pedal(){
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System.out.println("Bic starts to move");
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}
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public void stop() {
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System.out.println("Bic stopped");
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}
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public void ringBell() {
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System.out.println("Ring ring");
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}
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}

‎java-design-patterns/src/adapter/BicycleAdapter.java‎

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package adapter;
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/**
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* @author Khalid Elshafie <abolkog@gmail.com>
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* @created 27/02/2018.
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*/
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//Adapter
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public class BicycleAdapter implements Vehicle {
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private Bicycle bicycle;
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public BicycleAdapter(Bicycle bicycle) {
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this.bicycle = bicycle;
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}
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@Override
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public void accelerate() {
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bicycle.pedal();
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}
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@Override
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public void pushBreak() {
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bicycle.stop();
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}
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@Override
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public void soundHorn() {
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bicycle.ringBell();
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}
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}

‎java-design-patterns/src/adapter/Car.java‎

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package adapter;
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/**
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* @author Khalid Elshafie <abolkog@gmail.com>
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* @created 27/02/2018.
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*/
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public class Car implements Vehicle {
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@Override
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public void accelerate() {
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System.out.println("Car starts to move");
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}
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@Override
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public void pushBreak() {
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System.out.println("Car Stopped");
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}
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@Override
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public void soundHorn() {
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System.out.println("Beeb Beep");
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}
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}

‎java-design-patterns/src/adapter/Client.java‎

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package adapter;
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/**
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* @author Khalid Elshafie <abolkog@gmail.com>
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* @created 27/02/2018.
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*/
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//Client
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public class Client {
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public static void main(String[] args) {
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Vehicle car = new Car();
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Vehicle bicycle = new BicycleAdapter(new Bicycle());
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playWithVehicle(car);
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playWithVehicle(bicycle);
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}
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private static void playWithVehicle(Vehicle vehicle) {
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vehicle.accelerate();
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vehicle.pushBreak();
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vehicle.soundHorn();
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System.out.println("\n");
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}
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}

‎java-design-patterns/src/adapter/Vehicle.java‎

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package adapter;
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/**
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* @author Khalid Elshafie <abolkog@gmail.com>
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* @created 27/02/2018.
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*/
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//Target
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public interface Vehicle {
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void accelerate();
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void pushBreak();
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void soundHorn();
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}

‎java-design-patterns/src/adapter/diagram.ucls‎

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<?xml version="1.0" encoding="UTF-8"?>
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<class-diagram version="1.2.3" icons="true" always-add-relationships="true" generalizations="true" realizations="true"
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associations="true" dependencies="true" nesting-relationships="true" router="FAN">
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<class id="1" language="java" name="adapter.Bicycle" project="java-design-patterns"
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file="/java-design-patterns/src/adapter/Bicycle.java" binary="false" corner="BOTTOM_RIGHT">
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<position height="-1" width="-1" x="1166" y="378"/>
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<display autosize="true" stereotype="false" package="false" initial-value="false" signature="true"
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sort-features="false" accessors="true" visibility="true">
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<attributes public="true" package="true" protected="true" private="true" static="true"/>
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<operations public="true" package="true" protected="true" private="true" static="true"/>
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</display>
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</class>
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<class id="2" language="java" name="adapter.Car" project="java-design-patterns"
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file="/java-design-patterns/src/adapter/Car.java" binary="false" corner="BOTTOM_RIGHT">
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<position height="-1" width="-1" x="273" y="399"/>
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<display autosize="true" stereotype="false" package="false" initial-value="false" signature="true"
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sort-features="false" accessors="true" visibility="true">
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<attributes public="true" package="true" protected="true" private="true" static="true"/>
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<operations public="true" package="true" protected="true" private="true" static="true"/>
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</display>
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</class>
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<interface id="3" language="java" name="adapter.Vehicle" project="java-design-patterns"
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file="/java-design-patterns/src/adapter/Vehicle.java" binary="false" corner="BOTTOM_RIGHT">
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<position height="-1" width="-1" x="620" y="138"/>
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<display autosize="true" stereotype="false" package="false" initial-value="false" signature="true"
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sort-features="false" accessors="true" visibility="true">
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<attributes public="true" package="true" protected="true" private="true" static="true"/>
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<operations public="true" package="true" protected="true" private="true" static="true"/>
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</display>
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</interface>
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<class id="4" language="java" name="adapter.BicycleAdapter" project="java-design-patterns"
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file="/java-design-patterns/src/adapter/BicycleAdapter.java" binary="false" corner="BOTTOM_RIGHT">
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<position height="-1" width="-1" x="774" y="384"/>
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<display autosize="true" stereotype="false" package="false" initial-value="false" signature="true"
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sort-features="false" accessors="true" visibility="true">
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<attributes public="true" package="true" protected="true" private="true" static="true"/>
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<operations public="true" package="true" protected="true" private="true" static="true"/>
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</display>
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</class>
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<realization id="5">
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<end type="SOURCE" refId="2"/>
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<end type="TARGET" refId="3"/>
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</realization>
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<realization id="6">
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<end type="SOURCE" refId="4"/>
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<end type="TARGET" refId="3"/>
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</realization>
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<association id="7">
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<bendpoint x="986" y="382"/>
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<end type="SOURCE" refId="4" navigable="false">
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<attribute id="8" name="bicycle"/>
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<multiplicity id="9" minimum="0" maximum="1"/>
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</end>
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<end type="TARGET" refId="1" navigable="true"/>
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<display labels="true" multiplicity="true"/>
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</association>
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<classifier-display autosize="true" stereotype="false" package="false" initial-value="false" signature="true"
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sort-features="false" accessors="true" visibility="true">
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<attributes public="true" package="true" protected="true" private="true" static="true"/>
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<operations public="true" package="true" protected="true" private="true" static="true"/>
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</classifier-display>
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<association-display labels="true" multiplicity="true"/>
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</class-diagram>

‎java-design-patterns/src/command/Client.java‎

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package command;
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/**
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* @author Khalid Elshafie <abolkog@gmail.com>
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* @created 14/03/2018.
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*/
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public class Client {
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public static void main(String[] args) {
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RemoteControl remoteControl = new RemoteControl();
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Light light = new Light();
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TurnOnLightCommand turnOnLightCommand = new TurnOnLightCommand(light);
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TurnOffLightCommand turnOffLightCommand = new TurnOffLightCommand(light);
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TV tv = new TV();
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TurnOnTVCommand turnOnTVCommand = new TurnOnTVCommand(tv);
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TurnOffTVCommand turnOffTVCommand = new TurnOffTVCommand(tv);
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MusicPlayer musicPlayer = new MusicPlayer();
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TurnOnMusicCommand turnOnMusicCommand = new TurnOnMusicCommand(musicPlayer);
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TurnOffMusicCommand turnOffMusicCommand = new TurnOffMusicCommand(musicPlayer);
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remoteControl.addCommand(0, turnOnLightCommand, turnOffLightCommand);
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remoteControl.addCommand(1, turnOnTVCommand, turnOffTVCommand);
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remoteControl.addCommand(2, turnOnMusicCommand, turnOffMusicCommand);
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System.out.println(remoteControl);
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System.out.println("------ Executing Commands ------");
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remoteControl.onButtonPressed(0);
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remoteControl.onButtonPressed(1);
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remoteControl.offButtonPressed(0);
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remoteControl.offButtonPressed(1);
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remoteControl.onButtonPressed(2);
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System.out.println("------ Undoing Commands ------");
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remoteControl.undoButtonPressed();
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remoteControl.undoButtonPressed();
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remoteControl.undoButtonPressed();
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remoteControl.undoButtonPressed();
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remoteControl.undoButtonPressed();
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remoteControl.undoButtonPressed();
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remoteControl.undoButtonPressed();
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}
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}

‎java-design-patterns/src/command/Command.java‎

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package command;
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/**
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* @author Khalid Elshafie <abolkog@gmail.com>
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* @created 14/03/2018.
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*/
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public interface Command {
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void execute();
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void undo();
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}

‎java-design-patterns/src/command/Light.java‎

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package command;
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/**
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* @author Khalid Elshafie <abolkog@gmail.com>
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* @created 14/03/2018.
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*/
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//Receiver
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public class Light {
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public void turnOn() {
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System.out.println("Light is on");
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}
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public void turnOff() {
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System.out.println("Light Is Off");
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}
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}

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