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import java.util.Scanner;

/**

A telephone that takes simulated keystrokes and voice input

from the user and simulates spoken text.

*/

public class Telephone

{

/**

Construct phone object.

@param aScanner that reads text from a character-input stream

*/

public Telephone(Scanner aScanner)

{

scanner = aScanner;

}

/**

Speak a message to System.out.

@param output the text that will be "spoken"

*/

public void speak(String output)

{

System.out.println(output);

}

/**

Loops reading user input and passes the input to the

Connection object's methods dial, record or hangup.

@param c the connection that connects this phone to the

voice mail system

*/

public void run(Connection c)

{

boolean more = true;

while (more)

{

String input = scanner.nextLine();

if (input == null) return;

if (input.equalsIgnoreCase("H"))

c.hangup();

else if (input.equalsIgnoreCase("Q"))

more = false;

else if (input.length() == 1

&& "1234567890#".indexOf(input) >= 0)

c.dial(input);

else

c.record(input);

}

}

private Scanner scanner;

}