Hi everyBody, i have one doubt and i want technical explanation and resolution steps for the same and my question I am purchasing a train ticket from travel agency site and when i click pay details it is directing to my bank website there i use my user credentials and login into my bank account and accept the payment and after it is automatically return to my travel agency site with ticket confirmation ,how does this happen? how travel agency site able to invoke it last session. how it is achieved by web content (sevlets and jsp) is it url rewritting or which concept it is using? could any help me out and give the proper answer for the same
i think it is achieved by rest full web services ?