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import java.sql.*;
import java.io.*;
class Conc {
 public static void main(String[] args) throws Exception {
  
  //Class.forName(" JDBC Driver goes here");

                  Class.forName("org.postgresql.Driver");

                 //jdbc:postgresql://host:port/database

  Connection con=DriverManager.getConnection("jdbc:postgresql://localhost:5432/postgres","poks","aqswdefr");

  Statement stmt=con.createStatement();

  //system.out.println("Creating Table---->");
  //stmt.executeUpdate("Create table emp(eid int, ename varchar2(12))");
  
                System.out.println("Inserting row--->");
  stmt.executeUpdate("Insert into emp values('bbbb',2)");
  System.out.println("One row is Inserted.....");
              
                System.out.println("Getting data ---->");

  ResultSet rs=stmt.executeQuery("select * from emp");
  
  while(rs.next())
  System.out.println(rs.getInt(1)+"  "+rs.getString(2));

  rs.close();
  stmt.close();
  con.close();
 } //main()
} //class