Use JDBC to connect to Hive

import java.sql.SQLException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.sql.DriverManager;

public class HiveJdbcClient {
  private static String driverName = "org.apache.hive.jdbc.HiveDriver"; (1)

  public static void main(String[] args) throws SQLException {
      try {
      Class.forName(driverName);
    } catch (ClassNotFoundException e) {
      e.printStackTrace();
      System.exit(1);
    }

    Connection con = DriverManager.getConnection("jdbc:hive2://ka-adh-1.ru-central1.internal:2181," +
"ka-adh-3.ru-central1.internal:2181,ka-adh-2.ru-central1.internal:2181/;serviceDiscoveryMode=zooKeeper;" +
"zooKeeperNamespace=arenadata/cluster/2/hiveserver2", "hive", ""); (2)

    // Connection con = DriverManager.getConnection("jdbc:hive2://ka-adh-1.ru-central1.internal:10000/test_db", "hive", ""); (3)

    Statement stmt = con.createStatement();
    String tableName = "testHiveDriverTable";
    stmt.execute("drop table if exists " + tableName);
    stmt.execute("create table " + tableName + " (key int, value string)");
    // show tables
    String sql = "show tables '" + tableName + "'";
    System.out.println("Running query: " + sql);
    ResultSet res = stmt.executeQuery(sql);
    while (res.next()) {
      System.out.println(res.getString(1));
    }

    // other Hive queries
  }
}