The above code will generate an error message when compiling. Explain the error message and why it occurs.
What will be an ideal response?
When a class is declared to be final, all of its methods are final, regardless of which access specifier precedes the method name. A final class cannot be a parent. The code shows two classes: a HideAndGoSeekPlayer class that is a final class because of the word final in the class header, and a ProfessionalHideAndGoSeekPlayer class that attempts to extend the final class, adding a salary field. An error message is generated when you try to compile the ProfessionalHideAndGoSeekPlayer class because a subclass cannot override methods that are declared final in the superclass.
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There are times that users need to use a field as part of their select, but do not want to display it on their query results. They can accomplish this by unchecking the ________ box on the Query Design Grid for that field
A) show B) hide C) display D) criteria
Given the following method, which of these method calls is valid?
``` public static void showProduct (double num1, int num2) { double product; product = num1 * num2; System.out.println("The product is " + product); } ``` a. showProduct("5", "40"); b. showProduct(10.0, 4.6); c. showProduct(10, 4.5); d. showProduct(3.3, 55);