Which of the following statements is false?
a. When the user interacts with a GUI component, the interaction—known as an event—drives the program to perform a task.
b. For events that occur when the value of a control’s property changes, you must create the event handler entirely using only drag and drop in Scene Builder.
c. The code that performs a task in response to an event is called an event handler.
d. For certain events you can link a control to its event-handling method by using the Code section of Scene Builder’s Inspector window. In this case, the event-listener interface is implemented for you to call the method that you specify.
B
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When a primary key is changed in one table but the corresponding foreign keys in the related table are not, records can become ____.
A. orphaned B. widowed C. childless D. unrelated
Answer the following questions true (T) or false (F)
1. C++ arrays check for out-of-range index values. 2. A for-loop is a convenient way to step through an array.
A(n) ________ joins two entities.
A) associative entity B) attributive entity C) process entity D) None of the above.
Identify at least three possible use cases and actors.
What will be an ideal response?