When preparing a presentation for delivery using a traditional projection device, you should take into consideration that the edges of the screen are usually ________

Which of the following statements is false?

a) Layouts arrange controls in a GUI. b) You can use a Grid (namespace System.Windows.Controls) to arrange controls into rows and columns. c) You use the Grid’s RowDefinitions and ColumnDefinitions properties to define the rows and columns. d) With Grid layout, controls cannot span multiple columns.

Which of the following statements about a JLabel is false?

a. Applications rarely change a label’s contents after creating it. b. A JLabel can display text and an image. c. A JLabel can display text and a button. d. A JLabel is a subclass of JComponent.