import java.sql.*;
public class test {
    public static void main(String[] args) {
        try{
            String url="jdbc:oracle:thin:@localhost:1521:xe";
            String user="test";
            String pass="123";
            Class.forName("oracle.jdbc.driver.OracleDriver");
            Connection con= DriverManager.getConnection(url, user, pass);
            Statement stmt=con.createStatement();
            ResultSet rs=stmt.executeQuery("select * from student");
            while(rs.next())
                    {
                System.out.print(rs.getString(1)+" "+rs.getString(2)+" "+rs.getString(3));
                    }

        }
        catch (Exception e) {
            System.out.print(e);
            // TODO: handle exception
        }
    }

}