摘要: java中的抽象类abstract class PlaneGraphics //平面类,抽象类{ private String shape; //形状 //构造方法,有参数 public PlaneGraphics(String shape) { this.shape=shape; }//无参数... 阅读全文
posted @ 2015-11-05 22:57 PengWenHao 阅读(243) 评论(0) 推荐(0)