diff --git a/examples/src/TcpExamples/TcpExample1Telnet.java b/examples/src/TcpExamples/TcpExample1Telnet.java index 074e545611945ef692b52f395c4d0496489b7837..7811aef19b953e26298bb41c44f11dad9f02d055 100644 --- a/examples/src/TcpExamples/TcpExample1Telnet.java +++ b/examples/src/TcpExamples/TcpExample1Telnet.java @@ -43,32 +43,33 @@ public class TcpExample1Telnet // It returns a Socket object when the connection occurs. ServerSocket serverSocket = new ServerSocket(2317); - // The Socket object represents the connection between - // the server and client, including a full duplex connection - Socket clientConnection = serverSocket.accept(); - // Use Java io classes to write text (as opposed to // unknown bytes of some sort) to the client - OutputStream os = clientConnection.getOutputStream(); - PrintStream ps = new PrintStream(os); - - ps.println("This client response was written by server TcpExample1."); // to remote clientnc - System.out.println("This server response was written by server TcpExample1."); // to server console - // "flush()" in important in that it forces a write - // across what is in fact a slow connection - ps.flush(); - - clientConnection.close(); + // The Socket object represents the connection between + // the server and client, including a full duplex connection + try (Socket clientConnection = serverSocket.accept()) { + // Use Java io classes to write text (as opposed to + // unknown bytes of some sort) to the client + OutputStream os = clientConnection.getOutputStream(); + PrintStream ps = new PrintStream(os); + + ps.println("This client response was written by server TcpExample1."); // to remote clientnc + System.out.println("This server response was written by server TcpExample1."); // to server console + + // "flush()" in important in that it forces a write + // across what is in fact a slow connection + ps.flush(); + } System.out.println("TcpExample1 completed successfully."); } catch(IOException e) { - System.out.println("Problem with TcpExample1Telnet networking:"); // describe what is happening - System.out.println("Error: " + e); + System.err.println("Problem with TcpExample1Telnet networking:"); // describe what is happening + System.err.println("Error: " + e); // Provide more helpful information to user if exception occurs due to running twice at one time if (e instanceof java.net.BindException) - System.out.println("*** Be sure to stop any other running instances of programs using this port!"); + System.err.println("*** Be sure to stop any other running instances of programs using this port!"); } } }