Case-Based Critical Thinking QuestionsCase 1: Human Resources ApplicationAn application used by the human resources (HR) department needs to be improved. You need to use various string manipulation properties and methods to ensure all data entered by a user are accurate and stored correctly.
The users of the HR application have entered some employee social security numbers (SSNs) with dashes (such as 222-33-4444) and some without dashes (such as 222334444). You need to remove all dashes from any SSN that contains dashes. You will use the ____ method to edit the code so that only numeric characters are stored.
A. Replace
B. Remove
C. Trim
D. Substring
Answer: B
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a. correct runtime errors b. make sure the program solves the original problem c. create a model of the program d. correct syntax error
We remember less _______ because we remember the basic _______ instead.
Fill in the blank(s) with the appropriate word(s).
To handle the key pressed event on a pane p, register the handler with p using ______.
a. p.setOnKeyClicked(handler); b. p.setOnKeyTyped(handler); c. p.setOnKeyReleased(handler); d. p.setOnKeyPressed(handler);
____ record the keystrokes of a user into a text file that is sent back to the attacker for a specific period of time and frequency.
A. File sniffers B. Text mirrors C. Data recorders D. Key loggers