Design and implement an application to support a moderated question-and-answer session in which audience members submit questions to a queue. The question at the front of the queue may be answered by the speaker or panel, and a list of answered or unanswered questions may be retrieved at any time.
The program should accept the following simple commands: ‘Q’ will allow an audience member to submit a question, along with their name; ‘A’ will allow the speaker to enter an answer to the question currently at the top of the queue; ‘P’ will allow the speaker to pass on a question, moving it from the front of the queue to the end of the queue; ‘R’ will allow the speaker to mark a question as rejected, removing it from the queue; ‘LA’ will print a numbered list of answered questions, along with the answers; ‘LU’ will print a numbered list of unanswered questions; finally, ‘X’ will print numbered lists of answered and unanswered questions, then exit the program.
You should create a Question class to store each question, its answer, and any other question state information. The answered and unanswered queues should be implemented using the java.util.LinkedList class. You must use only the methods in the class that provide Queue functionality: remove the first element, append an element to the end, retrieve the queue size, and iterate over the list.
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