import java.util.*;
import java.lang.*;
import java.lang.reflect.*;
 
public class Main {
 
  public static void main (String[] args) throws Exception {
    TestDto<Integer> a = new TestDto<Integer>(){};
    TestDto<String> b = new TestDto<String>(){};
    System.out.println(a.getTypeParameter());
    System.out.println(b.getTypeParameter());
  }
}
 
class TestDto<T> {
  public Type getTypeParameter() {
    return ((ParameterizedType) getClass().getGenericSuperclass()).getActualTypeArguments()[0];
  }
}

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