/* * Copyright (C) 2020 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. */ public class Main { public static class Base { public void sayHi() { System.out.println("Hello from Base"); } } public static class Ext extends Base{ public void sayHi() { System.out.println("Hello from Ext"); } } public static void main(String[] args) throws Exception { System.loadLibrary(args[0]); try { System.out.println("Call lookup: Base, caller: Base, Obj: Base"); callSayHiMethodNonvirtualWith(Base.class, Base.class, new Base()); } catch (Exception e) { System.out.println("Caught exception " + e); } try { System.out.println("Call lookup: Base, caller: Base, Obj: Ext"); callSayHiMethodNonvirtualWith(Base.class, Base.class, new Ext()); } catch (Exception e) { System.out.println("Caught exception " + e); } try { System.out.println("Call lookup: Base, caller: Ext, Obj: Ext"); callSayHiMethodNonvirtualWith(Base.class, Ext.class, new Ext()); } catch (Exception e) { System.out.println("Caught exception " + e); } try { System.out.println("Call lookup: Ext, caller: Ext, Obj: Ext"); callSayHiMethodNonvirtualWith(Ext.class, Ext.class, new Ext()); } catch (Exception e) { System.out.println("Caught exception " + e); } } private static native void callSayHiMethodNonvirtualWith(Class lookup, Class caller, Object recv); }