In Java, which class do all classes inherit?
All classes inherit the Object class. Java is an object oriented programming language.
Solve 2x + 3 = (5x - 4) * 4.
2x + 3 = (5x - 4) * 4 2x + 3 = 20x - 16 19 = 18x x = 19/18
During which part of an activity's life cycle should you prepare for the user to navigate away from your app?
During onPause, you should release any resources that will not be used by your app. Also, you should save changes made by the user.