Java method to determine whether a string is json

Java method to determine whether a string is json:

json format: {"name":"Michael","age":24,"birthday": "2018-09-09"};

private boolean isjson(String str){
    try {
        JSONObject jsonStr= JSONObject.parseObject(string);
        return  true;
    } catch (Exception e) {
        return false;
    }
}

JSONObject is a class inherited from JSON. When JSONObject.parseObject(result) is called, the parseObject(String text) of the parent class will be called directly. parseObject (String text), parses text into a JSONObject object and returns it.

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