/* * Copyright 2016 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.lang.reflect.*; public class Main { public static void main(String[] args) { Class<?> c = null; try { c = Class.forName("ConcreteClass"); } catch (Exception e) { System.out.println("Could not load class"); e.printStackTrace(); return; } try { Method m = c.getMethod("runReal"); System.out.println((String)m.invoke(c.newInstance(), new Object[0])); } catch (Exception e) { System.out.println("Unknown exception occurred"); e.printStackTrace(); } try { Method m = c.getMethod("runConflict"); try { System.out.println((String)m.invoke(c.newInstance(), new Object[0])); } catch (InvocationTargetException e) { throw e.getCause(); } } catch (AbstractMethodError e) { System.out.println("Unexpected AME caught"); e.printStackTrace(); } catch (NoSuchMethodError e) { System.out.println("Unexpected NSME caught"); e.printStackTrace(); } catch (IncompatibleClassChangeError e) { System.out.println("Expected ICCE caught"); } catch (Throwable e) { System.out.println("Unknown exception caught!"); e.printStackTrace(); } } }