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  constructor() {}
204514f5e3Sopenharmony_ci  static sayAnimal() {
214514f5e3Sopenharmony_ci    return 'Animal big then ';
224514f5e3Sopenharmony_ci  }
234514f5e3Sopenharmony_ci}
244514f5e3Sopenharmony_ci
254514f5e3Sopenharmony_ciclass Dog extends Animal {
264514f5e3Sopenharmony_ci  static sayDog() {
274514f5e3Sopenharmony_ci    return super.sayAnimal() + 'dog!';
284514f5e3Sopenharmony_ci  }
294514f5e3Sopenharmony_ci}
304514f5e3Sopenharmony_ci
314514f5e3Sopenharmony_ciprint(Dog.sayDog());
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