Invoking returns the first element in an arraylist x.
x. get(1)
x. get()
x. get(0)
x. first()

What is one way in which tablets differ from laptops and notebooks? tablets are designed for touch-based interaction. tablets are designed to be used as desktops. tablets are designed for input via a keyboard and mouse. tablets are designed to be larger than laptops.

What machine listens for http requests to come in to a website’s domain? a. a router b. a browser c. a server d. a uniform resource locator

Which of the following statements is false? a. a class can directly inherit from class object. b. if the class you're inheriting from declares instance variables as private, the inherited class can access those instance variables directly. c. a class's instance variables are normally declared private to enforce good software engineering. d. it's often much more efficient to create a class by inheriting from a similar class than to create the class by writing every line of code the new class requires.