sailcd.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;

import java.util.Date;
public class SailCD extends CD {
    Date sailTime;       
    public SailCD(String itemno, String format, double price, Movie movie) {
        super(itemno, format, price, movie);
    }
    public String toString() {
         StringBuffer sbf=new StringBuffer();
           sbf.append("S-"+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":"已售");
        return sbf.toString();    }

}