package studyjava; public class TItem { String name ; int price; public TItem(){} public TItem(String name ,int price){ this .name =name; this.price = price; } public void hit(){} public static void main(String[] args) { TItem tItem = new TItem();//抽象类不能直接实例化,要通过子类 tItem.price=15; tItem.name = "sda"; System.out.println(tItem.toString()); TItem m = new TItem(){ public void hit(){ System.out.println("hit"); } }; m.hit(); } public String toString(){ return name+price; } }