In PHP-MySQL connectivity, what is the purpose of the @ symbol?

A style guide may include information regarding the standardization of margins, headings, footers, and spacing

Indicate whether the statement is true or false

To process simple touch events in an app, override View method onTouchEvent, then use constants from class ________ (package android.view) to test which type of event occurred and process it accordingly.

a. Event b. MotionEvent c. Motion d. View