Difference between getContext() , getApplicationContext() , getBaseContext() and “this”

Question

What is the difference between getContext() , getApplicationContext() , getBaseContext() , and \"this\"?

Though

Answer 1

A Context is:

• an abstract class whose implementation is provided by the Android system.
• It allows access to application-specific resources and classes, as well as up-calls for application-level operations such as launching activities, broadcasting and receiving intents, etc.