One important difference between the command line interface and a GUI interface is that __________.
a. in command line the background color of the monitor will always be black but in a GUI it can be any color
b. in a GUI environment the user determines the order in which things happen while the user has no control over the order or events in a command line interface
c. users must type information in a command line interface but, when using a GUI, typing is never required
d. All of these are important differences.
b. in a GUI environment the user determines the order in which things happen while the user has no control over the order or events in a command line interface
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Which of the following statements is false?
a. A Path represents the location of a file or directory. b. Path objects open files and provide file-processing capabilities. c. Class Paths is used to get a Path object representing a file or directory location. d. The static method get of class Paths converts a String representing a file’s or directory’s location into a Path object.
Answer the following statements true (T) or false (F)
1. A class with MustOverride methods does not necessarily have to be a MustInherit class. 2. An abstract class cannot have instance data and non-abstract methods. 3. Attempting to instantiate an object of an abstract class is a logic error. 4. All objects of a class are guaranteed to provide the functionality described by any interface that the class implements. 5. An interface describes a set of methods that can be called on an object and it provides concrete implementations for the methods.
Why is the query $query = "SELECT ISBN, Author, Title, Price FROM Book WHERE $searchtype = '$searchterm'"; problematic?
a. too resource-intensive b. missing an ORDER BY clause c. susceptible to SQL injection d. includes no exception handling
Describe ways to reduce file size and identify specific file types.
What will be an ideal response?