How to retrieve the real type of a Generic type using Java reflection [duplicate]

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• get type of a generic parameter in java with reflection 10 answers

suppose the following:

public class Dao<T> {

    public Dao() {
    }
}

public class Test {

    public Test() {
        Dao<Person> personDao = new Dao<Person>();
        //Get the real type of Dao using reflection, i want to get in this case "Person"
    }
}

How can I retrieve the real type of Dao using Java reflection ?