change

tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JDBCDemo.java

@@ -48,7 +48,6 @@ public class JDBCDemo {
                 Class.forName("com.taosdata.jdbc.TSDBDriver");
             }
             Properties properties = new Properties();
-            properties.setProperty("host", host);
             properties.setProperty("charset", "UTF-8");
             properties.setProperty("locale", "en_US.UTF-8");
             properties.setProperty("timezone", "UTC-8");

tests/examples/JDBC/JDBCDemo/src/main/java/com/taosdata/example/JdbcRestfulDemo.java

+package com.taosdata.example;
+
+import java.sql.*;
+import java.util.Properties;
+
+public class JdbcRestfulDemo {
+    private static final String host = "master";
+
+    public static void main(String[] args) {
+        try {
+            // load JDBC-restful driver
+            Class.forName("com.taosdata.jdbc.rs.RestfulDriver");
+            // use port 6041 in url when use JDBC-restful
+            String url = "jdbc:TAOS-RS://" + host + ":6041/?user=root&password=taosdata";
+
+            Properties properties = new Properties();
+            properties.setProperty("charset", "UTF-8");
+            properties.setProperty("locale", "en_US.UTF-8");
+            properties.setProperty("timezone", "UTC-8");
+
+            Connection conn = DriverManager.getConnection(url, properties);
+            Statement stmt = conn.createStatement();
+
+            stmt.execute("create database if not exists restful_test");
+            stmt.execute("use restful_test");
+            stmt.execute("create table restful_test.weather(ts timestamp, temperature float) tags(location nchar(64))");
+            stmt.executeUpdate("insert into t1 using restful_test.weather tags('北京') values(now, 18.2)");
+            ResultSet rs = stmt.executeQuery("select * from restful_test.weather");
+            ResultSetMetaData meta = rs.getMetaData();
+            while (rs.next()) {
+                for (int i = 1; i <= meta.getColumnCount(); i++) {
+                    System.out.print(meta.getColumnLabel(i) + ": " + rs.getString(i) + "\t");
+                }
+                System.out.println();
+            }
+
+            stmt.close();
+            conn.close();
+        } catch (ClassNotFoundException e) {
+            e.printStackTrace();
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+}