Why is it Required?
Sessions are required because they perform multiple functions ranging from time management to security perspective. The following can be noted in this regard.
- Sessions store the user authentication credentials in an encrypted format which can be passed in case of auto login.
- Since the values are encrypted, it can store sensitive information as well.
- Session values can be accessed in a short period cause they are stored on the client’s end and thus it helps the server to respond faster.
- It can restrict application access from multiple servers, thus securing the network.
Session Management in Java
Session is used to save user information momentarily on the server. It starts from the instance the user logs into the application and remains till the user logs out of the application or shuts down the machine. In both cases, the session values are deleted automatically. Hence, it functions as a temporary storage that can be accessed till the user is active in the application and can be accessed when the user requests a URI. This session is stored in binary values, hence maintaining the security aspect, and can be decoded only at the server end.
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