private void controlCassandra() { Insert insert = QueryBuilder.insertInto("usuario"); insert.setConsistencyLevel(ConsistencyLevel.ONE); insert.value("id", UUID.randomUUID()); insert.value("nombre", "Alison"); insert.value("email", "gmailalgo"); cassandraOperations.execute(insert); Select select = QueryBuilder.select().from("demo", "usuario"); select.limit(100); List<usuario> results = cassandraOperations.select(select, usuario.class); results.forEach(r -> System.out.println(r)); Map<String, String> p = new HashMap<String, String>(); p.putIfAbsent("hola", "caracola"); Insert insertSample = QueryBuilder.insertInto("sample"); insertSample.setConsistencyLevel(ConsistencyLevel.ONE); insertSample.value("userid", UUID.randomUUID().toString()); insertSample.value("todo", p); cassandraOperations.execute(insertSample); Select selectSample = QueryBuilder.select().from("demo", "sample"); selectSample.limit(100); List<sample> resultsSample = cassandraOperations.select(selectSample, sample.class); for (sample s : resultsSample) { System.out.println(s); s.getTodo().entrySet().forEach(e -> System.out.println(" " + e)); } }