import java.sql.*;

public class InetTest {

	public static void main(String args[]) throws Exception {
		Class.forName("org.postgresql.Driver");
		Connection conn = DriverManager.getConnection("jdbc:postgresql://localhost:5750/jurka","jurka","");

		Statement stmt = conn.createStatement();
		stmt.executeUpdate("CREATE TEMP TABLE tt (a inet)");
		stmt.executeUpdate("INSERT INTO tt VALUES ('192.168.3.1')");
		ResultSet rs = stmt.executeQuery("SELECT a FROM tt");
		while (rs.next()) {
			System.out.println(rs.getString(1));
			System.out.println(rs.getObject(1));
		}
		rs.close();
		stmt.close();
		conn.close();
	}
}