import java.sql.*;

public class Returning {

	public static void main(String args[]) throws Exception {

		Class.forName("org.postgresql.Driver");
		Connection conn = DriverManager.getConnection("jdbc:postgresql://localhost:5820/jurka","jurka","");

		Statement stmt = conn.createStatement();
		stmt.execute("CREATE TEMP TABLE t (a int, b int)");
		ResultSet rs = stmt.executeQuery("INSERT INTO t VALUES (1,2) RETURNING b");
		rs.next();
		System.out.println(rs.getInt(1));
	}
}