Which of the following commands will shut down a Linux system?

Which of the following statements is false?

a. JavaFX Scene Builder is a standalone JavaFX GUI visual layout tool that can also be used with various IDEs. b. JavaFX Scene Builder enables you to create GUIs by dragging and dropping GUI components from Scene Builder’s library onto a design area, then modifying and styling the GUI—all without writing any code. c. The FXML code is integrated with the program logic that’s defined in Java source code—this integration of the interface (the GUI) with the implementation (the Java code) makes it easier to debug, modify and maintain JavaFX GUI apps. d. JavaFX Scene Builder generates FXML (FX Markup Language)—an XML vocabulary for defining and arranging JavaFX GUI controls without writing any Java code.

For which of the following would polymorphism not provide a clean solution?

a. A billing program where there is a variety of client types that are billed with different fee structures. b. A maintenance log program where data for a variety of types of machines is collected and maintenance schedules are produced for each machine based on the data collected. c. A program to compute a 5% savings account interest for a variety of clients. d. An IRS program that maintains information on a variety of taxpayers and determines who to audit based on criteria for classes of taxpayers.