TypeScript for Beginners - Using Public and Read-Only

The video tutorial explains the concept of access specifiers in TypeScript, focusing on public and read-only properties. It demonstrates how to create a class in Visual Studio Code, define properties, and use the public keyword to make properties accessible throughout the code. The tutorial also covers the read-only specifier, which restricts property modification after initialization, and highlights its introduction in TypeScript 2.0. The video concludes with a summary of the two access specifiers discussed.

What is the default access specifier for properties in a TypeScript class?

• Read-Only

• Public

• Protected

• Private

How can you explicitly declare a property as public in TypeScript?

• By using the 'protected' keyword

• By using the 'public' keyword

• By using the 'readonly' keyword

• By using the 'private' keyword

What happens if you try to modify a read-only property after it has been initialized?

• The property value changes

• An error is thrown

• The property becomes private

• The property is deleted

Which TypeScript version introduced support for read-only properties?

• TypeScript 4.0

• TypeScript 3.0

• TypeScript 2.0

• TypeScript 1.5

In which scenario would you use a read-only property?

• When a property should be modified frequently

• When a property should be hidden from other classes

• When a property should be accessible only within the class

• When a property should not be changed after initialization