How to Read Network Packet Data in Simple English Form using jpcap

hi,

I am using jpcap to capture network packets, I am successfully able to capture the packets from network but the problem is the data in the packets are in machine language and I could not understand it.
e.g [B@2f32927

I am developing a firewall kind of software in java and need to keep the log of all the packets, speciall their data types and data.
Can somebody pleeeeeeeeeeeeeeeease help me out here that is, how to convert the machine data of packet to simple english like data??

The operating system I am working on is windows.