Cześć Chcę uzyskać obiekt klasy wewnętrznej za pomocą odbicia, ale otrzymuję błąd.

kod to: -

package reflaction;
public class MyReflection {
public static void main(String[] args) throws ClassNotFoundException, InstantiationException, IllegalAccessException  {
    Class obj = Class.forName("reflaction.MyReflection$TestReflection");
    TestReflection a = (TestReflection) obj.newInstance();
    a.demo();
}

class TestReflection {

    public void demo(){
        System.out.println("reflection occurs");
    }
    }
}

a błąd to: -

Exception in thread "main" java.lang.InstantiationException: reflaction.MyReflection$TestReflection
    at java.lang.Class.newInstance0(Class.java:357)
    at java.lang.Class.newInstance(Class.java:325)
    at reflaction.MyReflection.main(MyReflection.java:10)