Java provides the Queue _____ to create programs that use the queue data structure.
a) class
b) interface
c) parent
d) child
e) interface
b) interface
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A(n) ____ complex type has no name attribute used in the opening
A. empty B. named C. anonymous D. global scope
Answer the following statements true (T) or false (F)
1. The redirection parameter > changes or overrides the standard UNIX system output device. 2. A pipe accepts data from the standard input device, modifies them in some way, and sends the output to the standard output device. 3. A filter causes one utility’s standard output to be used as another utility’s standard input. 4. A shell script is a file that consists of a series of commands. 5. A GUI is easier to use (than line commands) because it presents a visual picture of the available options, but communicating through a GUI is relatively inefficient because the commands must be processed by an extra layer.