MULTITV TECH SOLUTION Android Developer Interview Questions and Answers

Activity lifecycle callbacks are methods that are called by the Android system when an activity goes through various stages of its lifecycle.

• onCreate() - called when the activity is first created

• onStart() - called when the activity becomes visible to the user

• onResume() - called when the activity starts interacting with the user

• onPause() - called when the activity is no longer in the foreground

• onStop() - called when the...read more

Inheritance is a mechanism in Java where one class acquires the properties and behaviors of another class.

• Allows code reusability and saves time

• Parent class is called super class and child class is called sub class

• Sub class can access all the public and protected methods and fields of super class

• Keyword used for inheritance is 'extends'

• Example: class B extends A {}