你怎么不写main方法的？？这样试试，反正我运行有输出 public class Test{ public static void main(String[] args) {Rose rose=new Rose("Pla1001","玫瑰花","广东深圳",150,"大红",0.5f);//你写的是0.5，eclipse报错了，说0.5是double类型，而你的Rose()的参数是float类型，所以我加了个“f”rose.raisePrice(10);rose.printInfo(); }}...
