Hi, I have used this code

OrientGraphFactory factory = new OrientGraphFactory(currentPath);


OrientGraphNoTx g1=factory.getNoTx();


// creating class Person 
OClass person=g1.createVertexType("Person", "V");
person.createProperty("name", OType.STRING);
person.createProperty("surname", OType.STRING);
 
// creating class Department
OClass department=g1.createVertexType("Department", "V");
department.createProperty("name", OType.STRING);
 
// creating class work
OClass edge_work=g1.createEdgeType("work", "E");
 
g1.shutdown();
 
OrientGraph g2=factory.getTx();
 
OrientVertex person1=g2.addVertex("class:Department");
person1.setProperty("name","Alessandro");
person1.setProperty("surname","Rota");
 
Vertex dep1=g2.addVertex("class:Department");
dep1.setProperty("name","Department 1");
 
person1.addEdge("work", dep1);
 
g2.commit();

FROM STUDIO

<https://lh3.googleusercontent.com/-v19NeC4s5bw/Vs8Dqt59XQI/AAAAAAAAAKU/ycimP-tqQ5I/s1600/e1.png>

<https://lh3.googleusercontent.com/-OJ3a0QCzwdo/Vs8D1nb751I/AAAAAAAAAKY/8eCKSFwSOLg/s1600/e2.png>

Kind regards,
Alessandro

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