private DBOperation getDB(){
	DBOperation dbo1=new DBOperation();
//	/System.out.println("-----------------------xxxxxxxxx------------------------");
	dbo1.setDriver("oracle.jdbc.driver.OracleDriver");
	dbo1.setUrl("jdbc:oracle:thin:@localhost:1521:orcl");
	dbo1.setUser("supermarket");
	dbo1.setPassWord("123456");
	return dbo1;
}