typescript abstract class methods 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;
}
class AccountingDepartment extends Department {
constructor() {
super("Accounting and Auditing");
}
printMeeting(): void {
console.log("The Accounting Department meets each Monday at 10am.");
}
generateReports(): void {
console.log("Generating accounting reports...");
}
}
let department: Department;
department = new Department();
Cannot create an instance of an abstract class.2511Cannot create an instance of an abstract class.department = new AccountingDepartment();
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