I am trying to create an Ethereum Contract, through my java application, has anyone done this before? how do you pass the JASONRPC command via java method I am using TESTRPC
Yes, I have worked with Java and Ethereum before. I suggest using Web3J: https://github.com/web3j/web3j Just read the whole documenation and start by implementing the Client-Version-example yourself. If you have any questions regarding web3j, you can either post here or open a ticket on Github.