A class can reused the properties and methods of the base class.
protected, private, public, readonly, staticprotected = implies that the method or property is accessible only internally within the class or any class that extends it but not externallyprivate = can be accessed only within the class and even their sub-classes won't be allowed to use their private properties and attributespublic = By default, all members of a class in TypeScript are public. All the public members can be accessed anywhere without any restrictions.readonly = Read-only members can be accessed outside the class, but their value cannot be changed. They either need to be initialized at declaration or initialized inside the class constructorstatic = The static members of a class are accessed using the class name and dot notation, without creating an object e.g. <ClassName>.<StaticMember>.type vs interface