Type parameter instantiation

Test.java

package test;

public class Test {
  public static class Generic<A, B> { }
  public static class Instance extends Generic<String, String> { }

  // OK
  Class<? extends Generic<String, String>> w = Instance.class;

  /**
   * Test.java: error: incompatible types
   *   Class<Generic<String, String>> x = Generic.class;
   *                                             ^
   *   required: Class<Generic<String,String>>
   *   found:    Class<Generic>
   */
  Class<Generic<String, String>> x = Generic.class;
}