14514f5e3Sopenharmony_ci/* 24514f5e3Sopenharmony_ci * Copyright (c) 2022 Huawei Device Co., Ltd. 34514f5e3Sopenharmony_ci * Licensed under the Apache License, Version 2.0 (the "License"); 44514f5e3Sopenharmony_ci * you may not use this file except in compliance with the License. 54514f5e3Sopenharmony_ci * You may obtain a copy of the License at 64514f5e3Sopenharmony_ci * 74514f5e3Sopenharmony_ci * http://www.apache.org/licenses/LICENSE-2.0 84514f5e3Sopenharmony_ci * 94514f5e3Sopenharmony_ci * Unless required by applicable law or agreed to in writing, software 104514f5e3Sopenharmony_ci * distributed under the License is distributed on an "AS IS" BASIS, 114514f5e3Sopenharmony_ci * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 124514f5e3Sopenharmony_ci * See the License for the specific language governing permissions and 134514f5e3Sopenharmony_ci * limitations under the License. 144514f5e3Sopenharmony_ci */ 154514f5e3Sopenharmony_ci 164514f5e3Sopenharmony_cideclare function print(arg:any):string; 174514f5e3Sopenharmony_ci 184514f5e3Sopenharmony_ciclass Animal { 194514f5e3Sopenharmony_ci age : number 204514f5e3Sopenharmony_ci 214514f5e3Sopenharmony_ci constructor(a : number) { 224514f5e3Sopenharmony_ci this.age = a 234514f5e3Sopenharmony_ci } 244514f5e3Sopenharmony_ci} 254514f5e3Sopenharmony_ci 264514f5e3Sopenharmony_ciclass Dog extends Animal { 274514f5e3Sopenharmony_ci disp() { 284514f5e3Sopenharmony_ci super.age = 1; 294514f5e3Sopenharmony_ci print(super.age); 304514f5e3Sopenharmony_ci } 314514f5e3Sopenharmony_ci} 324514f5e3Sopenharmony_ci 334514f5e3Sopenharmony_civar a = new Animal(1); 344514f5e3Sopenharmony_civar wang = new Dog(3); 354514f5e3Sopenharmony_ciwang.disp() 36