![Mcqmate logo](https://mcqmate.com/images/logos/logo-black.png)
![Mcqmate logo](https://mcqmate.com/images/logos/logo-white.png)
McqMate
Q. |
Broadcast receivers are Android’s implementation of a system-wide publish/subscribe mechanism, or more precisely, what design pattern? |
A. | observer |
B. | facade |
C. | mediator |
D. | command |
Answer» A. observer |
View all MCQs in
AndroidNo comments yet