1/* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 17abstract class Base { 18 abstract name: string; 19 abstract get Name(); 20 abstract set Name(value: string); 21} 22 23class Divied extends Base { 24 name = "derived"; 25 get Name() { 26 return 'ok'; 27 } 28 set Name(value: string) { 29 this.name = value; 30 } 31} 32 33let d = new Divied(); 34print(d.name, "derived"); 35print(d.Name, "ok"); 36