relatable.java

来自「JAVA 工作指南 可以说是程序员必备的东西哦」· Java 代码 · 共 11 行

public interface Relatable {
	
   // this (object calling isLargerThan) and
   // other must be instances of the same class
   // returns 1, 0, -1 if this is greater
   // than, equal to, or less than other
   public int isLargerThan(Relatable other);
   
}