Question

What happens if ServerSocket is not able to listen on the specified port? (a) The system exits gracefully with appropriate message (b) The system will wait till port is free (c) IOException is thrown when opening the socket (d) PortOccupiedException is thrown The question was asked in an international level competition. Query is from Client and Server in section Java Server Technologies & Servlet of Java Select the correct answer from above options

Answer 1

The correct answer is (c) IOException is thrown when opening the socket The best I can explain: public ServerSocket() creates an unbound server socket. It throws IOException if specified port is busy when opening the socket.