HashBIMap双向Map

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Goova里实现了双向map，举个例子：

package oj2;import com.google.common.collect.HashBiMap;/** * Created by fhqplzj on 16-9-16 at 下午11:44. */public class ex3 {    public static void main(String[] args) {        HashBiMap<String, String> biMap = HashBiMap.create();        String[] chinese = {                "星期一",                "星期二",                "星期三",                "星期四",                "星期五",                "星期六",                "星期日"        };        String[] english = {                "Monday",                "Tuesday",                "Wednesday",                "Thursday",                "Friday",                "Saturday",                "Sunday"        };        for (int i = 0; i < chinese.length; i++) {            biMap.put(chinese[i], english[i]);        }        biMap.entrySet().forEach(System.out::println);        System.out.println();        biMap.inverse().entrySet().forEach(System.out::println);    }}

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