使用java设计一个MyMedia(String mediaName, float price, String press, String artist)类，其中包含MyBook(String bookISBN,String editor)、MyCd(String cdISRC)及MyTape(String tapeISRC)三个子类。按照类的设计模式，完成他们的插入book、删除book、查找book,插入cd、删除cd、查找cd,插入tape、删除tape、查找tape以及查找全部媒体的功能。MyMedia类中有并且还拥有一个interfaceMedias接口和一个MediaTest测试类,interfaceMedias接口的方法有public int addMedia(Vector medias,MyMedia tempMedia); public int deleteMedia(Vector medias); public MyMedia findMedia(Vector medias,String artist); public void printlnMedia(Vector medias); public String input(); 并且MediaTest测试类实现了interfaceMedias接口

好的，我来解答你的问题。

首先，需要明确一点，你的问题是让我设计一个Java类，而不是一个AI类，所以我无法使用ChitGPT来回答你的问题。但是，我可以为你提供一个基本的类设计方案。

以下是一个可能的解决方案：

MyMedia类：

public class MyMedia {
    private String mediaName;
    private float price;
    private String press;
    private String artist;

    public MyMedia(String mediaName, float price, String press, String artist) {
        this.mediaName = mediaName;
        this.price = price;
        this.press = press;
        this.artist = artist;
    }

    // Getters and setters for all fields

    public String getMediaName() {
        return mediaName;
    }

    public void setMediaName(String mediaName) {
        this.mediaName = mediaName;
    }

    public float getPrice() {
        return price;
    }

    public void setPrice(float price) {
        this.price = price;
    }

    public String getPress() {
        return press;
    }

    public void setPress(String press) {
        this.press = press;
    }

    public String getArtist() {
        return artist;
    }

    public void setArtist(String artist) {
        this.artist = artist;
    }

    // Override toString() method to return a string representation of the object
    @Override
    public String toString() {
        return "MyMedia{" +
                "mediaName='" + mediaName + '\'' +
                ", price=" + price +
                ", press='" + press + '\'' +
                ", artist='" + artist + '\'' +
                '}';
    }
}

MyBook类：

public class MyBook extends MyMedia {
    private String bookISBN;
    private String editor;

    public MyBook(String mediaName, float price, String press, String artist, String bookISBN, String editor) {
        super(mediaName, price, press, artist);
        this.bookISBN = bookISBN;
        this.editor = editor;
    }

    // Getters and setters for all fields

    public String getBookISBN() {
        return bookISBN;
    }

    public void setBookISBN(String bookISBN) {
        this.bookISBN = bookISBN;
    }

    public String getEditor() {
        return editor;
    }

    public void setEditor(String editor) {
        this.editor = editor;
    }

    // Override toString() method to return a string representation of the object
    @Override
    public String toString() {
        return "MyBook{" +
                "bookISBN='" + bookISBN + '\'' +
                ", editor='" + editor + '\'' +
                "} " + super.toString();
    }
}

MyCd类：

public class MyCd extends MyMedia {
    private String cdISRC;

    public MyCd(String mediaName, float price, String press, String artist, String cdISRC) {
        super(mediaName, price, press, artist);
        this.cdISRC = cdISRC;
    }

    // Getter and setter for cdISRC field

    public String getCdISRC() {
        return cdISRC;
    }

    public void setCdISRC(String cdISRC) {
        this.cdISRC = cdISRC;
    }

    // Override toString() method to return a string representation of the object
    @Override
    public String toString() {
        return "MyCd{" +
                "cdISRC='" + cdISRC + '\'' +
                "} " + super.toString();
    }
}

MyTape类：

public class MyTape extends MyMedia {
    private String tapeISRC;

    public MyTape(String mediaName, float price, String press, String artist, String tapeISRC) {
        super(mediaName, price, press, artist);
        this.tapeISRC = tapeISRC;
    }

    // Getter and setter for tapeISRC field

    public String getTapeISRC() {
        return tapeISRC;
    }

    public void setTapeISRC(String tapeISRC) {
        this.tapeISRC = tapeISRC;
    }

    // Override toString() method to return a string representation of the object
    @Override
    public String toString() {
        return "MyTape{" +
                "tapeISRC='" + tapeISRC + '\'' +
                "} " + super.toString();
    }
}

interfaceMedias接口：

import java.util.Vector;

public interface interfaceMedias {
    public int addMedia(Vector medias, MyMedia tempMedia);
    public int deleteMedia(Vector medias);
    public MyMedia findMedia(Vector medias, String artist);
    public void printlnMedia(Vector medias);
    public String input();
}

MediaTest测试类：

import java.util.Vector;

public class MediaTest implements interfaceMedias {
    private Vector<MyMedia> medias = new Vector<MyMedia>();

    public static void main(String[] args) {
        MediaTest test = new MediaTest();
        test.runTests();
    }

    public void runTests() {
        MyMedia book1 = new MyBook("The Lord of the Rings", 20.99f, "HarperCollins", "J.R.R. Tolkien", "978-0544003415", "Christopher Tolkien");
        MyMedia book2 = new MyBook("Harry Potter and the Philosopher's Stone", 12.99f, "Bloomsbury", "J.K. Rowling", "978-1408855652", "Arthur A. Levine");
        MyMedia cd1 = new MyCd("The Dark Side of the Moon", 9.99f, "Harvest", "Pink Floyd", "C2K 63588");
        MyMedia cd2 = new MyCd("Thriller", 7.99f, "Epic", "Michael Jackson", "EK 38112");
        MyMedia tape1 = new MyTape("Nevermind", 5.99f, "DGC", "Nirvana", "DGCC-24425");

        // Add media
        addMedia(medias, book1);
        addMedia(medias, book2);
        addMedia(medias, cd1);
        addMedia(medias, cd2);
        addMedia(medias, tape1);

        // Print all media
        printlnMedia(medias);

        // Find media by artist
        MyMedia foundMedia = findMedia(medias, "Michael Jackson");
        if (foundMedia != null) {
            System.out.println("Found media: " + foundMedia);
        } else {
            System.out.println("Media not found.");
        }

        // Delete media
        deleteMedia(medias);
        printlnMedia(medias);
    }

    // Implement interface methods
    public int addMedia(Vector medias, MyMedia tempMedia) {
        medias.add(tempMedia);
        return medias.size();
    }

    public int deleteMedia(Vector medias) {
        if (medias.size() > 0) {
            medias.removeElementAt(medias.size() - 1);
            return medias.size();
        } else {
            return 0;
        }
    }

    public MyMedia findMedia(Vector medias, String artist) {
        for (int i = 0; i < medias.size(); i++) {
            MyMedia media = medias.get(i);
            if (media.getArtist().equals(artist)) {
                return media;
            }
        }
        return null;
    }

    public void printlnMedia(Vector medias) {
        for (int i = 0; i < medias.size(); i++) {
            System.out.println(medias.get(i));
        }
    }

    public String input() {
        // Not implemented
        return null;
    }
}

这个类设计方案中，MyMedia是一个基类，MyBook、MyCd和MyTape是它的三个子类。interfaceMedias是一个接口，定义了可以在MyMedia和其子类中使用的方法。MediaTest是一个测试类，实现了interfaceMedias接口，并使用它测试了MyMedia类及其子类。

希望这个类设计方案能够对你有所帮助。如果你还有其他问题，可以继续询问我。