The ________ allows you to select the object whose properties you wish to display in the Properties window.

Which of the following is true about Bluetooth?

A) Bluetooth works only with smart phones. B) Devices using Bluetooth must be no more than 30 feet apart. C) Bluetooth uses a high frequency soundwave. D) Bluetooth is the slowest connection of all ports.

The boolean method to check for an empty stack can be written as:

Consider a class that uses the following variables to implement an array-based stack: String [] s = new String[100]; int top = 0; A) return top; B) if (top == 0) return true; else return false; C) if (s == null) return true; else return false; D) if (s.length == 0) return true; else return false;