SMR is building a peer 2 peer trading platform for trading on foreign exchange. This video shows two traders buy and selling from each other. For technically minded the app is built as an AngularJS single page app with web socket REST API Scala / Java server with Cassandra as the data store.
You can also see in on YouTube
Design Patterns
| Pattern | Description | Java Usage | |
| Constructional | |||
| Factory Method | |||
| Builder | String Builder | ||
| Prototype | |||
| Singleton | |||
| Structural | |||
| Adapter | |||
| Decorator | |||
| Façade | |||
| Fly Weight | |||
| Behavioural | |||
| Command | |||
| Interpreter | |||
| Iterator | Iterator | ||
| Observer | Observer Listener | ||
| Pub Sub | |||
| State | |||
| Strategy | |||
| Visistor | |||
| Concurrency | |||
| Active Object | |||
| Double checked locking | |||
| Join | |||
| Lock | |||
| Monitor | |||
| Block Chain | |||
| Volatile | |||
| Compare and Swap | |||