Virtually every HTML tag supports the inclusion of one or more optional attributes.
Answer the following statement true (T) or false (F)
True
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Define function signature:
What will be an ideal response?
After a chart is selected, you cannot resize it.
Answer the following statement true (T) or false (F)
Which of the following code correctly registers a handler with a button btOK?
a. btOK.setOnAction(e -> System.out.println("Handle the event")); b. btOK.setOnAction((e) -> System.out.println("Handle the event");); c. btOK.setOnAction((ActionEvent e) -> System.out.println("Handle the event")); d. btOK.setOnAction(e -> {System.out.println("Handle the event");});
In Exercise 8, you created an application that modeled a telephone keypad. We would like to improve the operation of the application. Here is a list of the improvements to be made:
• The first number in the number cannot be 0. If the user types 0 as the first number, do nothing with it. • Format the number using dashes, as follows: • 1-000-000-0000 if the first digit entered is a 1. • (000) 000-0000 if ten digits are entered. • 000-0000 if seven digits are entered. • Do not accept extra digits. This application is pretty simple for the most part. A number of buttons must be created and multi-way switch used to detect which button on the keypad was pressed. But if we set an integer value, the rest of the code is simple. Create a method that checks to see if the digit entered is valid. Create methods that format the number in the different ways.