Java Reflection - Java ParameterizedType .getActualTypeArguments ()

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Syntax

ParameterizedType.getActualTypeArguments() has the following syntax.

Type [] getActualTypeArguments()

Example

In the following code shows how to use ParameterizedType.getActualTypeArguments() method.

//w w  w  . ja v a2s  .co  m
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.ArrayList;

public class Main {
  public static void main(String args[]) throws Exception {

    Type type = StringList.class.getGenericSuperclass();
    System.out.println(type); 
    ParameterizedType pt = (ParameterizedType) type;
    System.out.println(pt.getActualTypeArguments()[0]);

  }
}

class StringList extends ArrayList<String> {
}

The code above generates the following result.

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