1 /* 2 * Copyright 2020 The JSpecify Authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 import org.jspecify.annotations.NullMarked; 17 18 @NullMarked 19 abstract class Catch { x()20 void x() { 21 try { 22 throw new Exception(); 23 } catch (Exception e) { 24 e.printStackTrace(); 25 // TODO(cpovirk): Edit README to permit referencing java.lang.Exception. Or remove this. 26 } 27 28 try { 29 doWork(); 30 } catch (SomeError | SomeRuntimeException e) { 31 } catch (Throwable e) { 32 e.printStackTrace(); 33 } 34 35 try { 36 throw new RuntimeException(); 37 } catch (RuntimeException | Error e) { 38 handleException(e); 39 } 40 } 41 handleException(Throwable t)42 abstract void handleException(Throwable t); 43 doWork()44 abstract void doWork() throws SomeException; 45 46 static class SomeException extends Exception {} 47 48 static class SomeRuntimeException extends RuntimeException {} 49 50 static class SomeError extends Error {} 51 } 52