1 /* 2 * Copyright 2016 The Android Open Source Project 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 17 import java.lang.reflect.*; 18 public class Main { 19 public static void main(String[] args) { 20 Class<?> c = null; 21 try { 22 c = Class.forName("ConcreteClass"); 23 } catch (Exception e) { 24 System.out.println("Could not load class"); 25 e.printStackTrace(System.out); 26 return; 27 } 28 try { 29 Method m = c.getMethod("runReal"); 30 System.out.println((String)m.invoke(c.newInstance(), new Object[0])); 31 } catch (Exception e) { 32 System.out.println("Unknown exception occurred"); 33 e.printStackTrace(System.out); 34 } 35 try { 36 Method m = c.getMethod("runConflict"); 37 try { 38 System.out.println((String)m.invoke(c.newInstance(), new Object[0])); 39 } catch (InvocationTargetException e) { 40 throw e.getCause(); 41 } 42 } catch (AbstractMethodError e) { 43 System.out.println("Unexpected AME caught"); 44 e.printStackTrace(System.out); 45 } catch (NoSuchMethodError e) { 46 System.out.println("Unexpected NSME caught"); 47 e.printStackTrace(System.out); 48 } catch (IncompatibleClassChangeError e) { 49 System.out.println("Expected ICCE caught"); 50 } catch (Throwable e) { 51 System.out.println("Unknown exception caught!"); 52 e.printStackTrace(System.out); 53 } 54 } 55 } 56
