文章浏览阅读3.1k次。父类为抽象类,子类继承父类时,父类有的成员变量,方法,子类都有,但是,子类要重写父类里面的抽象方法。//父类public abstract class AbstractLogger { public static int INFO = 1; public static int DEBUG = 2; public static int ......
文章浏览阅读107次。AbstractBackground: Gastric cancer (GC) is a common malignancy that is a leading cause of cancer mortality worldwide. The curative treatment of GC requires gastric ressection. However, most patients a......