Starting Out with Java: From Control Structures through Objects (7th Edition) (What's New in Computer Science)
Starting Out with Java: From Control Structures through Objects (7th Edition) (What's New in Computer Science)
7th Edition
ISBN: 9780134802213
Author: Tony Gaddis
Publisher: PEARSON
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Chapter 13, Problem 1MC
When a selector name starts with a period in a JavaFX CSS style definition, it means the selector corresponds to _______.
- a. specific variable names in the application
- b. specific types of JavaFX nodes
- c. values that the user enters
- d. named constants in the application
Expert Solution & Answer
Check MarkProgram Description Answer
When a selector name begins with a period in a JavaFX CSS style definition, the selector corresponds to “specific types of JavaFX nodes”.
Hence, the correct answer is option “B”.
Explanation of Solution
Type Selector Names:
- The selector names, which are starting with a period is type selector.
- Type selector is corresponding to a particular type of JavaFX nodes.
- These names are identical to the JavaFX class names to which they correspond.
- For example
- If the class name is “Button” then the corresponding type selector is “.button”.
- If the class name is “CheckBox”, then the corresponding type selector is “.check-box”.
Explanation for incorrect options:
a. specific variable names in the application:
It is not a valid one and it is not corresponds to specific names in the JavaFX CSS style definition.
Hence, the option “A” is wrong.
c. values that the user enters:
It is not a valid one and it is not corresponds to user entered values in JavaFX CSS style definition.
Hence, the option “C” is wrong.
d. named constants in the application:
It is not a valid one and it is not corresponds to named constant in JavaFX CSS style definition.
Hence, the option “D” is wrong.
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Chapter 13 Solutions
Starting Out with Java: From Control Structures through Objects (7th Edition) (What's New in Computer Science)
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