创建以下两个子类，扩展练习1中的artwork类。具有以下特性的雕塑：
材料
具有以下特性的权重绘制：
油漆类型（如水彩画、亚克力画、油画）
画布宽度
画布高度将相关的构造器（使用super）、getter和setter添加到雕刻和绘画类中。你的绘画和雕塑课程必须扩展基础艺术课程。在您的设置程序中，添加画布宽度、重量和画布高度的验证，以防止存在大小/重量为负值的艺术品。如果创建了无效的绘图，则应显示错误。向程序中至少添加一个雕刻对象和一个绘画对象，并调用超类和子类方法。我希望程序不接受高度和宽度的负值。但是当我接受输入时，它不起作用，也就是说，它接受负值

class Artwork2 {
  String Artist;
  int Value;

  public Artwork2(String artist, int value) {
      this.Artist=artist;
      this.Value=value;
  }
  public int getValue() {
      return this.Value;
  }
  public void setValue(int value) {
      this.Value=value;
  }
  public String getArtist() {
      return this.Artist;
  }

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

  class Sculpture extends Artwork2 {
  protected String material;
  protected double weight;
  public Sculpture(String artist, int value, String material, double weight) {
      super(artist, value);
      this.material=material;
      this.weight=weight;
  }

  public String getMaterial() {
      return this.material;
  }
  public void setMaterial(String material) {
      this.material=material;
  }

  public double getWeight() {
      return this.weight;
  }

  public void setWeight(double weight) {
      this.weight=weight;
  }

  }

  class Painting extends Artwork2 {
  protected String paintType;
  protected double canvasWidth;
  protected double canvasHeight;
  public Painting(String artist, int value,String paintType, double canvasWidth, double canvasHeight) {
      super(artist, value);
     this.paintType=paintType;
     this.canvasHeight=canvasWidth;
     this.canvasWidth=canvasHeight;
  }

  public double getCanvasWidth() {
  return this.canvasWidth;
  }
      public void setCanvasWidth(double canvasWidth) {
      this.canvasWidth=canvasWidth;
  }

  public double getCanvasHeight() {
      return this.canvasHeight;
  }
  public void setCanvasHeight(double canvasHeight) {
      if (canvasHeight < 0) {
          throw new IllegalArgumentException();}
          this.canvasHeight = canvasHeight;
  }

  public String getPaintType() {
      return this.paintType;
  }

  public void setPaintType(String paintType) {
       this.paintType=paintType;
  }
   }

    public class SuperClass {
      public static void main(String[] args) {
      Sculpture sculpture= new Sculpture("lap", 1000,"top", 99);

system.out.println（sculpture.getartist（）+sculpture.getmaterial（）+sculpture.getvalue（）+sculpture.getweight（））；

Scanner in=new Scanner(System.in);
    double canvas=in.nextDouble();
    Painting painting =new Painting("lap", -1000,"oil", canvas, -10);
            System.out.println(painting.getArtist()+  
   painting.getCanvasHeight()+painting.getCanvasWidth()+painting.getPaintType()+
    painting.getValue());
}

}