HATCH Interview Questions and Answers

Singleton pattern can be achieved in Angular service by using providedIn property or creating a private instance variable.

• Use providedIn property to provide the service at root level

• Create a private instance variable and return it in a static method

• Ensure that the constructor is private to prevent multiple instances

• Example: private static instance: MyService; public static getInstance(): MyService { if (!MyService.ins...read more

Yes, task.run creates a new thread.

• task.run schedules a task to run on a thread pool thread.

• It is used to run a task asynchronously.

• It is similar to Task.Factory.StartNew method.

Wap in Linq to get a name of user starting with 'tom'

• Use 'Where' method with 'StartsWith' to filter the names

• Use 'Select' method to get only the names

• Use 'ToArray' method to convert the result to an array of strings