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 * @bug 4509267
27 * @summary generics: parametric exception type versus overriding
28 * @author gafter
29 *
30 * @compile -source 1.5 ParametricException.java
31 */
32
33 import java.io.*;
34
35 abstract class AChurchBoolean {
36 public abstract <Return, Parameter, Throws extends Throwable>
37 Return accept(IVisitor<Return, Parameter, Throws> visitor, Parameter parameter) throws Throws;
38
39 public interface IVisitor<Return, Parameter, Throws extends Throwable> {
40 public Return caseTrue(Parameter parameter) throws Throws;
41 public Return caseFalse(Parameter parameter) throws Throws;
42 }
43 }
44
45 class TrueChurchBoolean extends AChurchBoolean {
46 private static TrueChurchBoolean instance = new TrueChurchBoolean();
47 private TrueChurchBoolean() {}
48 public static TrueChurchBoolean singleton() {
49 return instance;
50 }
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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 * @bug 4509267
27 * @summary generics: parametric exception type versus overriding
28 * @author gafter
29 *
30 * @compile ParametricException.java
31 */
32
33 import java.io.*;
34
35 abstract class AChurchBoolean {
36 public abstract <Return, Parameter, Throws extends Throwable>
37 Return accept(IVisitor<Return, Parameter, Throws> visitor, Parameter parameter) throws Throws;
38
39 public interface IVisitor<Return, Parameter, Throws extends Throwable> {
40 public Return caseTrue(Parameter parameter) throws Throws;
41 public Return caseFalse(Parameter parameter) throws Throws;
42 }
43 }
44
45 class TrueChurchBoolean extends AChurchBoolean {
46 private static TrueChurchBoolean instance = new TrueChurchBoolean();
47 private TrueChurchBoolean() {}
48 public static TrueChurchBoolean singleton() {
49 return instance;
50 }
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