تصمميم client باستخدام لغة جافا
Java Network Programming
Design and implement a client application in Java. The client application should communicate
in ONE of the following protocols: SMTP or DNS
ارجو من الاخوة الخبراء في لغة جافا مساعدتي العاجلة في تصميم تطبيق عميل (client ) وذلك باستخدام واحد من البروتوكولين التالين:SMTP or DNS
SMTP
Asks the user to interactively specify a sender, recipient, subject and message
Obtains the MX RRs given the domain name
(Optional) Asks for a SMTP mail gateway or mail bridge
(Optional) Handles SMTP user authentication
DNS
Not allowed to use the InetAddress class or any other Java class that performs
automatic query mechanism
Must construct DNS queries manually
Supports both TCP and UDP
Resolves the IP address(es) given the domain name
Obtains the MX RRs given the domain name
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