设计模式课后习题

建造者模式课后第一题：产品类：public class GamePerson {private String face;private String gender;private String cloth;public String getFace() {return face;}public void setFace(String face) {this.face = face;}public String getGender() {return gender;}public void setGender(String gender) {this.gender = gender;}public String getCloth() {return cloth;}public void setCloth(String cloth) {this.cloth = cloth;}}抽象建造类：public abstract class PersonCreate {protected GamePerson person=new GamePerson();public abstract void createFace();public abstract void createGender();public abstract void createCloth();public GamePerson getPerson(){return person;}}具体建造者类：public class PersonType1 extends PersonCreate { public void createFace() {person.setFace("瓜子脸");}public void createGender() {person.setGender("美女");}public void createCloth() {person.setCloth("洛丽塔");}}具体建造类：public class PersonType2 extends PersonCreate { public void createFace() {person.setFace("国字脸");}public void createGender() {person.setGender("帅哥");}public void createCloth() {person.setCloth("西装革履");}}指挥者类：public class GamePlayer {private PersonCreate pc;public void choseType(PersonCreate pc){ this.pc=pc;}public GamePerson create(){pc.createCloth();pc.createFace();pc.createGender();return pc.getPerson();}}测试类：public class Test {public static void main(String[] args) { PersonCreate pc=new PersonType1();GamePlayer gp=new GamePlayer();gp.choseType(pc);GamePerson person=gp.create();System.out.println("游戏人物特征：");System.out.println("长着一张"+person.getFace()+"穿着"+person.getCloth()+"的"+person.getGender());}}课后第二题：产品类：public class Computer {private String cpu;private String storage;public String getCpu() {return cpu;}public void setCpu(String cpu) {this.cpu = cpu;}public String getStorage() {return storage;}public void setStorage(String storage) {this.storage = storage;}}抽象建造类：public abstract class Factory {protected Computer c=new Computer();public abstract void installCpu();public abstract void installStorage();public Computer getComputer(){return c;}}具体建造者类：public class Desktop extends Factory {public void installCpu() {c.setCpu("AMD");}public void installStorage() {c.setStorage("8G内存");}}具体建造类：public class Laptop extends Factory {public void installCpu() {c.setCpu("intel");}public void installStorage() {c.setStorage("1G内存");}}指挥者类：public class User {private Factory f;public void buy(Factory f){this.f=f;}public Computer con(){f.installCpu();f.installStorage();return f.getComputer();}}测试类：public class Test {public static void main(String[] args) {Factory f=new Laptop();User u=new User();u.buy(f);Computer c=u.con();System.out.println(c.getCpu()+" "+c.getStorage());}}单例模式课后第一题：懒汉式模式：public class SingletonWindow extends JInternalFrame { private static SingletonWindow instance=null;private SingletonWindow() {super("内部窗口",true,true,true);System.out.println("创建了一个内部窗体");}public static SingletonWindow getInstance(){if(instance==null){instance=new SingletonWindow();}else{System.out.println("已经创建了一个内部窗体！");}return instance;}}测试类：public class Main extends JFrame {private static final long serialVersionUID = 1L;private JButton btnAdd;private JPanel btnpl;private JDesktopPane dtp;private JInternalFrame itf;public Main() {this.setSize(new Dimension(600, 700));this.setDefaultCloseOperation(EXIT_ON_CLOSE);this.setResizable(false);this.setVisible(true);;this.setLocationRelativeTo(this);this.setTitle("实验2");this.setLayout(null);this.dtp=new JDesktopPane();this.dtp.setBounds(new Rectangle(0, 0, 600, 600));this.btnpl=new JPanel();this.btnpl.setBounds(new Rectangle(0, 600, 600, 100));this.btnAdd=new JButton("添加一个内部窗体");this.btnAdd.setBounds(new Rectangle(10, 10, 150, 30));this.add(dtp);this.add(btnpl);this.btnpl.add(btnAdd);this.btnAdd.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent arg0) {itf=SingletonWindow.getInstance();itf.setSize(200, 200);itf.setVisible(true);dtp.add(itf);}});}public static void main(String[] args) {new Main();}}适配器模式课后第一题目标抽象类：public abstract class Robot {public abstract void run();public abstract void cry();}适配者类：public class Dog {public void run(){System.out.println("狗跑");}}public class Bird {public void cry(){System.out.println("鸟叫");}}适配器类：public class RobotAdapter extends Robot {private Bird bird;private Dog dog;public RobotAdapter(Bird bird,Dog dog) {this.bird=bird;this.dog=dog;}public void run() {System.out.print("机器人学");dog.run();}public void cry() {System.out.print("机器人学");bird.cry();}}测试类：public class Test {public static void main(String[] args) {Bird bird=new Bird();Dog dog=new Dog();RobotAdapter adapter=new RobotAdapter(bird, dog);adapter.run();adapter.cry();}}组合模式课后习题一public abstract class MyElement {public abstract void eat();public abstract void add(MyElement element);public abstract void remove(MyElement element);}public class Apple extends MyElement {public void eat() {System.out.println("吃苹果");}public void add(MyElement element) {}public void remove(MyElement element) {}}public class Banana extends MyElement {public void eat() {System.out.println("吃香蕉");}public void add(MyElement element) {}public void remove(MyElement element) {}}public class Pear extends MyElement { public void eat() {System.out.println("吃梨子");}public void add(MyElement element) {}public void remove(MyElement element) {}}public class Plate extends MyElement { private ArrayList list=new ArrayList();public void eat() {for (Object object : list) {((MyElement)object).eat();}}public void add(MyElement element) {list.add(element);}public void remove(MyElement element) { list.remove(element);}}测试类：public class Client {public static void main(String[] args) { MyElement obj1,obj2,obj3,obj4,obj5;Plate plate1,plate2,plate3;obj1=new Apple();obj2=new Pear();obj3=new Banana();plate1=new Plate();plate1.add(obj1);plate1.add(obj2);plate1.add(obj3);obj4=new Apple();obj5=new Banana();plate2=new Plate();plate3=new Plate();plate2.add(obj4);plate2.add(obj5);plate3.add(plate1);plate3.add(plate2);plate3.eat();}}课后习题二public abstract class AbstractFile {public abstract void add(AbstractFile file );public abstract void delete(AbstractFile file);public abstract void lookThrough();public abstract String getfileName();}public class ImageFile extends AbstractFile { private String fileName;public ImageFile(String fileName) {this.fileName=fileName;}public void add(AbstractFile file) {}public void delete(AbstractFile file) {}public void lookThrough() {}public String getfileName() {return fileName;}}public class TextFile extends AbstractFile{private String fileName;public TextFile(String fileName) {this.fileName=fileName;}public void add(AbstractFile file) {}public void delete(AbstractFile file) {}public void lookThrough() {}public String getfileName() {return fileName;}}public class VedioFile extends AbstractFile{private String fileName;public VedioFile(String fileName) {this.fileName=fileName;}public void add(AbstractFile file) {}public void delete(AbstractFile file) {}public void lookThrough() {}public String getfileName() {return fileName;}}public class Folder extends AbstractFile{private ArrayList<AbstractFile> list=new ArrayList<AbstractFile>();private String fileName;public Folder(String fileName) {this.fileName=fileName;}public void add(AbstractFile file) {list.add(file);}public void delete(AbstractFile file) {list.remove(file);}public void lookThrough() {System.out.println("正在浏览"+fileName+"文件夹,有以下文件");Iterator i=list.iterator();if(!(i.hasNext())){System.out.println("暂无任何文件");}for (AbstractFile abstractFile : list) {System.out.println(abstractFile.getfileName());}}public String getfileName() {return fileName;}}测试类：public class Main {public static void main(String[] args) {// TODO Auto-generated method stubAbstractFile img1=new ImageFile("美女.jpg");AbstractFile vedio=new VedioFile("xxx.avi");AbstractFile txt=new TextFile("凡人修仙传.txt");AbstractFile folder=new Folder("娱乐");folder.add(img1);folder.add(txt);folder.add(vedio);System.out.println("---------------------");folder.lookThrough();System.out.println("---------------------");folder.delete(txt);folder.delete(vedio);folder.delete(img1);System.out.println("---------------------");folder.lookThrough();}}装饰模式课后习题一抽象构建类：public interface Transform {public void move();}具体构建类:public class Car implements Transform {public Car() {System.out.println("变形金刚是一辆车");}public void move() {System.out.println("在陆地上移动");}}抽象装饰类：public class Changer implements Transform { private Transform transform;public Changer(Transform transform) {this.transform=transform;}public void move() {transform.move();}}具体装饰类：public class Doctor extends Robot {public Doctor(Transform transform) {super(transform);System.out.println("变成医生机器人");}public void cure(){System.out.println("我正在治疗");}}public class Robot extends Changer {public Robot(Transform transform) {super(transform);}public void say(){System.out.println("说话");}}public class Airplane extends Changer {public Airplane(Transform transform) {super(transform);System.out.println("变成飞机");}public void fly(){System.out.println("在空中飞翔");}}测试类：public class Test {public static void main(String[] args) {Transform transform;transform=new Car();Changer c=new Changer(transform);Robot r=new Robot(c);Doctor d=new Doctor(r);d.move();d.say();d.cure();}}课后习题二：抽象构建类：public interface AbstractBook {public void borrowBook();public void returnBook();}具体构建类:public class Book implements AbstractBook { public void borrowBook() {System.out.println("借书方法");}public void returnBook() {System.out.println("还书方法");}}抽象装饰类：public class AddFunction implements AbstractBook { private AbstractBook ab;public AddFunction(AbstractBook ab) {this.ab=ab;}public void borrowBook() {ab.borrowBook();}public void returnBook() {ab.returnBook();}}具体装饰类：public class AddFreeze extends AddFunction { public AddFreeze(AbstractBook ab) {super(ab);System.out.println("添加了冻结方法");}public void freeze(){System.out.println("冻结方法");}}public class AddLose extends AddFunction { public AddLose(AbstractBook ab) {super(ab);System.out.println("添加了遗失方法");}public void lose(){System.out.println("遗失方法");}}测试类：public class Test {public static void main(String[] args) { AbstractBook ab;ab=new Book();ab.borrowBook();ab.returnBook();System.out.println("--------");AddFreeze af=new AddFreeze(ab);af.borrowBook();af.returnBook();af.freeze();System.out.println("---------");AddLose al=new AddLose(ab);al.borrowBook();al.returnBook();al.lose();}}外观模式课后习题一：子系统类：public class FileWrite {public void write(){System.out.println("文件正在保存。