Cassandra driver 入门教程 （一） 连接数据库，获取版本号

Cluster cluster = Cluster.builder().addContactPoint("127.0.0.1").build();

Session session = cluster.connect();

session.execute("select release_version from System.local");

public static void getVersion(){
try(Cluster cluster = Cluster.builder().addContactPoint("127.0.0.1").build();){
Session session = cluster.connect();
ResultSet rs = session.execute("select release_version from System.local");
Row row = rs.one();
System.out.println("release_version: "+row.getString("release_version"));
}
}