HashMap获取重复的value值

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<a href="https://www.zym88.cn/tag/hashmap" title="更多关于 HashMap 的文章" target="_blank">HashMap</a><String,String> map= new HashMap<>();
map.put("dsadf","张三");
map.put("vdsfa","李四");
map.put("dsadv","王五");
map.put("dasda","李四");
map.put("djgdf","李五");
map.put("ngsdf","李四");
System.out.println("提取前:"+map);
HashMap<String, String> mapnew = new HashMap<>();
HashMap<String, String> mapnew2 = new HashMap<>();
map.forEach((k,v)->{
if(!mapnew.containsValue(v)){
mapnew.put(k,v);
}else{
mapnew2.put(k,v);
}
});
System.out.println("不重复的值:"+mapnew);
System.out.println("重复的值:"+mapnew2);
<a href="https://www.zym88.cn/tag/hashmap" title="更多关于 HashMap 的文章" target="_blank">HashMap</a><String,String> map= new HashMap<>();
        map.put("dsadf","张三");
        map.put("vdsfa","李四");
        map.put("dsadv","王五");
        map.put("dasda","李四");
        map.put("djgdf","李五");
        map.put("ngsdf","李四");

        System.out.println("提取前:"+map);

        HashMap<String, String> mapnew = new HashMap<>();
        HashMap<String, String> mapnew2 = new HashMap<>();
        map.forEach((k,v)->{
            if(!mapnew.containsValue(v)){
                mapnew.put(k,v);
            }else{
                mapnew2.put(k,v);
            }
        });

        System.out.println("不重复的值:"+mapnew);
        System.out.println("重复的值:"+mapnew2);
HashMap<String,String> map= new HashMap<>(); map.put("dsadf","张三"); map.put("vdsfa","李四"); map.put("dsadv","王五"); map.put("dasda","李四"); map.put("djgdf","李五"); map.put("ngsdf","李四"); System.out.println("提取前:"+map); HashMap<String, String> mapnew = new HashMap<>(); HashMap<String, String> mapnew2 = new HashMap<>(); map.forEach((k,v)->{ if(!mapnew.containsValue(v)){ mapnew.put(k,v); }else{ mapnew2.put(k,v); } }); System.out.println("不重复的值:"+mapnew); System.out.println("重复的值:"+mapnew2);

 

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