The JSR 356 specifies a standard API for creating WebSocket applications.

• chat
• encoder
• encoder-client
• encoder-programmatic
• endpoint
• endpoint-async
• endpoint-javatypes
• endpoint-config
• endpoint-programmatic
• endpoint-programmatic-async
• endpoint-programmatic-config
• endpoint-programmatic-injection
• endpoint-security
• httpsession
• injection
• javase-client
• messagesize
• parameters
• properties
• websocket-vs-rest
• subprotocol
• websocket-client
• websocket-client-config
• websocket-client-programmatic
• websocket-client-programmatic-config
• websocket-client-programmatic-encoders
• whiteboard
• endpoint-singleton
• websocket-vs-rest-payload

More information on how to run can be found at: https://github.com/javaee-samples/javaee7-samples#how-to-run-