framework/tests/all-systems/GetClassTest.java

import java.util.Date;

public class GetClassTest {

  // See AnnotatedTypeFactory.adaptGetClassReturnTypeToReceiver

  void context() {
    Integer i = 4;
    i.getClass();
    Class<?> a = i.getClass();
    // Type arguments don't match
    @SuppressWarnings("fenum:assignment")
    Class<? extends Object> b = i.getClass();
    @SuppressWarnings({
      "fenum:assignment", // Type arguments don't match
      "signedness:assignment" // Type arguments don't match
    })
    Class<? extends Integer> c = i.getClass();

    Class<?> d = i.getClass();
    // not legal Java; that is, does not type-check under Java rules
    // Class<Integer> e = i.getClass();
  }

  void m(Date d) {
    @SuppressWarnings("fenum:assignment")
    Class<? extends Date> c = d.getClass();
  }
}