readcityinfofrommemory.java

来自「一个用JAVA写的关于文件操作的程序」· Java 代码 · 共 41 行

package com.newsource.tools;

import java.util.ArrayList;
import java.util.Hashtable;

public class ReadCityInfoFromMemory implements CityInfo {
	private Hashtable citys = new Hashtable();

	private Object [] data = null;

	public ReadCityInfoFromMemory() {
		citys.put("杭州", "杭州");
		citys.put("衢州", "衢州");
		citys.put("台州", "台州");
		citys.put("舟山", "舟山");
		citys.put("温州", "温州");
		citys.put("湖州", "湖州");
		citys.put("宁波", "宁波");
		citys.put("金华", "金华");
		citys.put("嘉兴", "嘉兴");
		citys.put("绍兴", "绍兴");
		citys.put("丽水", "丽水");
		data=citys.keySet().toArray();
	}

	public String get(int i) {

		return (String)data[i];
	}

	public boolean hasName(String name) {
		return citys.containsKey(name);
	}

	public int length() {

		return citys.size();
	}

}