Which of the following statement cannot correctly creates a Color object? a. Col

Question

Which of the following statement cannot correctly creates a Color object?

a. Color.color(0.3, 0.5, 0.5, 0.1);

b. new Color(0.3, 0.5, 0.5, 0.1);

c. new Color(0.3, 0.5, 0.5);

d. Color.color(0.3, 0.5, 0.5);

Which of the following statements are true?

a. A handler object fires an event.

b. A handler is registered with the source object for processing the event.

c. Any object such a String object can fire an event.

d. None of the above

A JavaFX action event handler is an instance of _______.

a.         ActionEvent

b.         Action

c.         EventHandler

d.         EventHandler<ActionEvent>

Which of the following statements are false?

a. Inner classes can make programs simple and concise.

b. An inner class can be declared public or private subject to the same visibility rules applied to a member of the class.

c. An inner class can be declared static. A static inner class can be accessed using the outer class name. A static inner class cannot access nonstatic members of the outer class.

d. None of the above.

Which of these classes is not part of Java’s collection framework?
a. Maps
b. Array
c. Stack
d. Queue

Explanation / Answer

  a. ActionEvent

d. Queue

  d. None of the above.

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