What is an action listener? What is an action event?
What will be an ideal response?
An action listener is an object that listens for action events. An action event occurs when a GUI component, like a JButton, fires a signal. This signal, known as an event, has a registered listener that invokes specific handling code.
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What is the default sort order used by the SQL ORDER BY clause?
a. ascending b. none c. descending d. pseudo-random
Discuss how the person performing data entry benefits if you add an input mask to a field.
What will be an ideal response?
To include all fields in a SQL query, use the ____ symbol after the word SELECT.
A. pound (#) B. ampersand (&) C. percent (%) D. asterisk (*)
What must be done with a node that is removed from the bag?
a. Set it to nullptr b. Decrement itemCount c. Use the delete command so system can use returned memory d. return canRmoveItem