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  1. /* package whatever; // don't place package name! */
  2.  
  3. /* package whatever; // don't place package name! */
  4.  
  5. public class Main {
  6.  
  7.     public static class Lazy<T> {
  8.         T field;
  9.         public T get() {
  10.             return field;
  11.         }
  12.     }
  13.  
  14.     public static class Whatever<T> {
  15.         T field;
  16.         public T get() {
  17.             return field;
  18.         }
  19.     }
  20.  
  21.  
  22.  
  23.     public static Lazy<Whatever<String>> lazyWhateverString;
  24.  
  25.  
  26.     public static void main(String args[]) throws Exception {
  27.  
  28.         java.lang.reflect.Field field =  Main.class.getField("lazyWhateverString");
  29.  
  30.         java.lang.reflect.ParameterizedType lazyType = (java.lang.reflect.ParameterizedType) field.getGenericType();
  31.         java.lang.reflect.ParameterizedType whateverType = (java.lang.reflect.ParameterizedType) lazyType.getActualTypeArguments()[0];
  32.         Class<String> realType = (Class<String>) whateverType.getActualTypeArguments()[0];
  33.  
  34.  
  35.  
  36.  
  37.         System.out.println(lazyType.getRawType());
  38.         System.out.println(whateverType.getRawType());
  39.         System.out.println(realType);
  40.     }
  41. }
  42.  
Success #stdin #stdout 0.09s 27900KB
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class Main$Lazy
class Main$Whatever
class java.lang.String
https://ideone.com/eaT4pl
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

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