Difference between hyperledger composer and hyperledger fabric?

Question

I am java developer and new to hyperledger. I am interested in learning it and need to know where to start . fabric vs composer?

Answer 1

To develop production ready application Composer is not the best option since it lacks from a full set of features that are available using 'native' go based smart contract. Also be aware that Composer needs to be baked up by running fabric based blockchain network, otherwise it is useless. Composer operations that are managed using Web UI are not written in any blockchain but in memory instead.

Those are the main differences between Composer and Fabric, so definetively Composer is a great tool to build mockups, make PoC, etc