代码哪里错了

public class Book {
     //私有属性：书名、作者、出版社、价格
    private String title;
    private String author;
    private String publishing;
    private double price;
    
    public Book(String title,String author,String publishing,double price){
        this.title=title;
        this.author=author;
        this.setPublishing(publishing);
        this.setPrice(price);
    }
    
    public String getPublishing() {
        return publishing;
    }
    public void setPublishing(String publishing) {
        this.publishing = publishing;
    }
    public double getPrice() {
        return price;
    }
    public void setPrice(double price) {
        if(price<=10){
             System.out.println("图书价格最低10元");
             this.price=10;
        }else{
            this.price=price;
        }
        
    }
    public void setTitle(String title) {
        this.title = title;
    }
    public void setAuthor(String author) {
        this.author = author;
    }
}

public class BookTest {

    public static void main(String[] args) {
           //实例化第一本书，四参构造方法

        Book one=new Book("红楼梦","曹雪芹","人名文学出版社",10.0);

          //实例化第二本书,四参构造方法

          Book two = new Book("小李飞刀","古龙","中国长安出版社",55.5);

          

          //第一第二本书描述信息方法

          System.out.println("书名："+one.setTitle(title));
          System.out.println("作者："+one.setAuthor(author));
          System.out.println("出版社："+one.getPublishing());
          System.out.println("价格："+one.getPrice());
          System.out.println("===========================================");
          System.out.println("书名："+two.setTitle(title));
          System.out.println("作者："+two.setAuthor(author));
          System.out.println("出版社："+two.getPublishing());
          System.out.println("价格："+two.getPrice());
        
        
        

    }

}