help with java pls!!!

1. Write the client and server socket programs that show the Client Port, Server Port, Client IP address and Server IP address.

SAMPLE CLIENT OUTPUT:

Client Connected to Server/192.168.1.254 on port 7777 from Client port 61263 of /192.168.1.1

SAMPLE SERVER OUTPUT:

Server connected to Client /192.168.1.1 on port 61263

2. Given a X509 certificate contained in the file sdo.cer, write a program to import and print out the following information about the certificate.

- Subject Name

- Validity

- Certificate Serial Number

- Certificate Signature Algorithm