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(str:any):string; 174514f5e3Sopenharmony_ci 184514f5e3Sopenharmony_ciclass A { 194514f5e3Sopenharmony_ci name:string; 204514f5e3Sopenharmony_ci value:number; 214514f5e3Sopenharmony_ci constructor(name:string, value:number) { 224514f5e3Sopenharmony_ci this.name = name; 234514f5e3Sopenharmony_ci this.value = value; 244514f5e3Sopenharmony_ci } 254514f5e3Sopenharmony_ci} 264514f5e3Sopenharmony_ciclass B extends A{ 274514f5e3Sopenharmony_ci constructor(...b: ConstructorParameters<typeof A>) { 284514f5e3Sopenharmony_ci super(...b); 294514f5e3Sopenharmony_ci } 304514f5e3Sopenharmony_ci} 314514f5e3Sopenharmony_ci 324514f5e3Sopenharmony_civar obj = new B("AOT", 123); 334514f5e3Sopenharmony_ciprint(obj.name); 344514f5e3Sopenharmony_ciprint(obj.value); 354514f5e3Sopenharmony_ci 364514f5e3Sopenharmony_ciclass Demo { 374514f5e3Sopenharmony_ci constructor(x, y) { 384514f5e3Sopenharmony_ci this.x = x; 394514f5e3Sopenharmony_ci this.y = y; 404514f5e3Sopenharmony_ci } 414514f5e3Sopenharmony_ci aboutToDo(){ 424514f5e3Sopenharmony_ci this.x = 0; 434514f5e3Sopenharmony_ci this.y = 0; 444514f5e3Sopenharmony_ci } 454514f5e3Sopenharmony_ci} 464514f5e3Sopenharmony_ci 474514f5e3Sopenharmony_ciclass Demo2 extends Demo{ 484514f5e3Sopenharmony_ciaboutToDo(){ 494514f5e3Sopenharmony_ci super.aboutToDo(); 504514f5e3Sopenharmony_ci} 514514f5e3Sopenharmony_ci} 524514f5e3Sopenharmony_ci 534514f5e3Sopenharmony_cilet d = new Demo2('hello', 'bye'); 544514f5e3Sopenharmony_ciprint(d.x); 554514f5e3Sopenharmony_cid.aboutToDo(); 564514f5e3Sopenharmony_ciprint(d.x); 57