8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 */
23
24 /*
25 * @test
26 * @summary Test subtyping for wildcards with related type bounds.
27 *
28 * @compile/fail -source 1.5 AssignmentDifferentTypes2.java
29 */
30
31 public class AssignmentDifferentTypes2 {
32
33 public static void main(String[] args) {
34 Ref<Der> derexact = null;
35 Ref<Base> baseexact = null;
36 Ref<? extends Der> derext = null;
37 Ref<? extends Base> baseext = null;
38 Ref<? super Der> dersuper = null;
39 Ref<? super Base> basesuper = null;
40
41 derexact = baseexact; // <<fail>> <Der> = <Base>
42 }
43 }
44
45 class Ref<T> {}
46 class Base {}
47 class Der extends Base {}
|
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 */
23
24 /*
25 * @test
26 * @summary Test subtyping for wildcards with related type bounds.
27 *
28 * @compile/fail AssignmentDifferentTypes2.java
29 */
30
31 public class AssignmentDifferentTypes2 {
32
33 public static void main(String[] args) {
34 Ref<Der> derexact = null;
35 Ref<Base> baseexact = null;
36 Ref<? extends Der> derext = null;
37 Ref<? extends Base> baseext = null;
38 Ref<? super Der> dersuper = null;
39 Ref<? super Base> basesuper = null;
40
41 derexact = baseexact; // <<fail>> <Der> = <Base>
42 }
43 }
44
45 class Ref<T> {}
46 class Base {}
47 class Der extends Base {}
|