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Gson simple to use

2022-07-20 21:35:00 【hudawei996】

        String jsonParams = "{\"name\":\"goals\" , \"id\":1}";
        Map map1 = new Gson().fromJson(jsonParams, Map.class);
        System.out.println("name:"+map1.get("name")+",id:"+map1.get("id"));
        // Output ：name:goals,id:1.0

        HashMap map = new HashMap();
        map.put("name","david");
        map.put("id",2);
        String jsonStr = new Gson().toJson(map);
        System.out.println(jsonStr);
        // Output ：{"name":"david","id":2}

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