Hello, JDBC Type4 World! (Java + JDBC Type4 + Oracle)

Hello.java

import java.sql.*;
 
class Hello {
    public static void main( String[] args ) throws Exception {
        Class.forName ("oracle.jdbc.driver.OracleDriver");
        Connection conn = DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:orcl", "scott", "tiger");
        Statement stmt = conn.createStatement();
        ResultSet rs = stmt.executeQuery("SELECT 'Hello, JDBC Type4 World!' AS Message FROM DUAL");
        while ( rs.next() ) {
             System.out.println( rs.getString(1) );
        }
        rs.close();
        stmt.close();
        conn.close();
    }
}