gremlin> configuration = new org.apache.commons.configuration.BaseConfiguration()
==>org.apache.commons.configuration.BaseConfiguration@30331109
gremlin> configuration.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_LOCATION, '/Users/matthias/Documents/Development/tp/test2.gryo')
==>null
gremlin> configuration.setProperty(Graph.GRAPH, TinkerGraph.class.getName())
==>null
gremlin> configuration.setProperty(TinkerGraph.GREMLIN_TINKERGRAPH_GRAPH_FORMAT, 'gryo')
==>null
gremlin> graph = TinkerGraph.open(configuration)
==>tinkergraph[vertices:0 edges:0]
gremlin> v = graph.addVertex('Person')
==>v[0]
gremlin> v.property(list, 'age', 1)
==>vp[age->1]
gremlin> v.property(list, 'age', 2)
==>vp[age->2]
gremlin> v.properties()
==>vp[age->1]
==>vp[age->2]
gremlin> graph.close()
==>null
gremlin> graph = TinkerGraph.open(configuration)
==>tinkergraph[vertices:1 edges:0]
gremlin> graph.traversal().V().properties()
==>vp[age->2]