Combine Abstract Class Typescript Code Example


Example 1: abstract classes in typescript

abstract class Department {   constructor(public name: string) {}    printName(): void {     console.log("Department name: " + this.name);   }    abstract printMeeting(): void; // must be implemented in derived classes }  class AccountingDepartment extends Department {   constructor() {     super("Accounting and Auditing"); // constructors in derived classes must call super()   }    printMeeting(): void {     console.log("The Accounting Department meets each Monday at 10am.");   }    generateReports(): void {     console.log("Generating accounting reports...");   } }  let department: Department; // ok to create a reference to an abstract type department = new Department(); // error: cannot create an instance of an abstract class Cannot create an instance of an abstract class.2511Cannot create an instance of an abstract class.department = new AccountingDepartment(); // ok to create and assign a non-abstract subclass department.printName(); department.printMeeting(); department.generateReports(); Property 'generateReports' does not exist on type 'Department'.2339Property 'generateReports' does not exist on type 'Department'.Try

Example 2: abstract classes in typescript

abstract class Animal {   abstract makeSound(): void;    move(): void {     console.log("roaming the earth...");   } }Try

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