JAVA You are requested to implement a “message buffer and response connector” class using Java programming language. The following figure depicts a message buffer and response connector class, followed by detailed operations specifications. The message buffer and response connector class has three operations, send(), receive(), and reply(). Your program should create two separate threads for testing your implementation, a producer thread, and a consumer thread. The producer thread sends a message having a structure (string, integer) – e.g., (add, 3) or (multiply, 7) - to a consumer thread via a message buffer and response connector. The consumer thread encapsulates a SimpleCalculation class that has two operations, add() and “multiply(). You should implement the SimpleCalculation class as well. When the consumer thread receives a message from the connector, it extracts the message and then calls one of the operations on the SimpleCalculation class, depending on the message. For example, the consumer thread calls the add() operation if it receives a message like (add, 3), while it calls the multiply() operation if it gets a message like (multiply, 3). Add() operation in the SimpleCalculation adds 10 to the integer in a message from the producer thread and returns the result. The multiply() operation multiplies the integer by ten and returns the result. The producer thread should print out the messages before it sends the messages to the consumer thread. The messages are (add, 5), (multiply, 9), (multiply, 4), (add, 3), (add, 10), (add, 30), (multiply, 7) sent to the consumer thread. Also, the producer thread should print out the results returned from the consumer thread.
JAVA You are requested to implement a “message buffer and response connector” class using Java
programming language. The following figure depicts a message buffer and response connector
class, followed by detailed operations specifications. The message buffer and response connector
class has three operations, send(), receive(), and reply().
Your program should create two separate threads for testing your implementation, a producer
thread, and a consumer thread. The producer thread sends a message having a structure (string,
integer) – e.g., (add, 3) or (multiply, 7) - to a consumer thread via a message buffer and response
connector. The consumer thread encapsulates a SimpleCalculation class that has two operations,
add() and “multiply(). You should implement the SimpleCalculation class as well. When the
consumer thread receives a message from the connector, it extracts the message and then calls
one of the operations on the SimpleCalculation class, depending on the message. For example,
the consumer thread calls the add() operation if it receives a message like (add, 3), while it calls
the multiply() operation if it gets a message like (multiply, 3). Add() operation in the
SimpleCalculation adds 10 to the integer in a message from the producer thread and returns the
result. The multiply() operation multiplies the integer by ten and returns the result.
The producer thread should print out the messages before it sends the messages to the consumer
thread. The messages are (add, 5), (multiply, 9), (multiply, 4), (add, 3), (add, 10), (add, 30),
(multiply, 7) sent to the consumer thread. Also, the producer thread should print out the results
returned from the consumer thread.
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