cd.txt

这是一个用java编写的关于GUI应用编程的音像商店管理的实例

package chap5.videostore.version2;

public class CD {
    String itemno;
    String format;
    double price;
    boolean isIn;
    Movie movie;
    public CD( String itemno,String format, double price, Movie movie) {
        this.format = format;
        this.itemno = itemno;
        this.movie = movie;
        this.price = price;
        this.isIn=true;
    }

    public String toString() {
         StringBuffer sbf=new StringBuffer();
         sbf.append(movie.title+",\t");
        sbf.append(this.itemno).append(",\t");
        sbf.append(this.format).append(",\t");
        sbf.append(this.price).append(",\t");
        sbf.append(isIn?"在库":"");
        return sbf.toString();
    }

}