/**
 * 用于存储水果名及数量
 *
 */
public class Fruit{
    private String name;
    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getCount() {
        return count;
    }

    public void setCount(int count) {
        this.count = count;
    }

    private int count;

    public Fruit(String name,int count){
        this.name=name;
        this.count=count;
    }

}

import java.util.ArrayList;
import java.util.List;

public class Counter{
    private List<Fruit> ls;

    public Counter(){
        ls=new ArrayList<Fruit>();
    }

    public void add(String name){
        // 在链表中查找同名的fruit元素
        for(int i=0;i<ls.size();i++){
            if(ls.get(i).getName().equals(name)){
                // 找到了
                Fruit f=ls.get(i);
                // 增加同名水果的数量
                f.setCount(f.getCount()+1);

                return;
            }
        }

        // 没有找到,添加一个水果实例，数量为一
        ls.add(new Fruit(name,1));
    }

    public void printAll(){
        int sum=0;
        for(Fruit f:ls){
            sum+=f.getCount();
            System.out.println(f.getName()+"    "+f.getCount());
        }

        System.out.println("总计"+"    "+sum);
    }

    public static void main(String[] args){
        Counter c=new Counter();
        c.add("苹果");
        c.add("荔枝");
        c.add("荔枝");
        c.add("西瓜");
        c.printAll();
    }
}