Dividing a large problem into several smaller problems that are easily solved is sometimes called ____________.
a. programmatic simplification
b. divide and conquer
c. top down design
d. parallel design
b. divide and conquer
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A hotel is expanding and wants to install an elevator system in its building. You have been asked to create a simulation of this new elevator system. Create an application which simulates the buttons in the elevator and displays a simple picture of the elevator (a black rectangle) moving to the correct floor when a JButton is pressed (Fig. 20.34).
a) Copying the template to your working directory. Copy the C:Examples Tutorial20ExercisesElevator directory to your C:SimplyJava directory.
b) Opening the DrawJPanel template file. Open the template file DrawJPanel.java in your text editor.
c) Creating a new MyRectangle object. Inside the DrawJPanel no-argument construc- tor, create your new MyRectangle object buildingElevator (at line 47) after the creation of delayTimer. The template already declares buildingElevator as an instance variable. When calling the MyRectangle constructor, the x and y variables should be the first two parameters and be set to 57 and 400 respectively. The height, width and color variables should be set to 36, 50 and Color.BLACK and are the third, fourth and fifth parameters, respectively.
d) Adding code to the moveEelevator method. Find the moveElevator method, which immediately follows moveElevatorToFloor. Inside the moveElevator method, add an if…else statement that tests if currentPosition is
The item marked 1 in the accompanying figure is an example of the ____ style.
A. dotted B. solid C. dashed D. inset
An example of a small input device that uses optics to move the display cursor is a(n) __________
Fill in the blank(s) with correct word
While developing a website, you can test how its layout might appear on a range of devices using
A. a shim B. an emulator C. a device-pixel ratio D. a hamburger menu