swimdata.java

来自「设计模式是软件工程的核心思想」· Java 代码 · 共 13 行

import java.util.*;
import java.io.*;

//abstract class defining interface and deep clone routine
    public abstract class SwimData implements Cloneable {
    public abstract int size();
    public abstract Swimmer getSwimmer(int i);
    public abstract String getName(int i);
    public abstract void sort();
   //-------------------------------------------
    public abstract SwimData myClone();
}