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Session Code
Sessions are periods during which one user is accessing your application. Because users on different clients may be accessing your application at the same time, a single application may have more than one session accessing it at a time (see Figure 3). Each session has its own copy of the components that its user has requested.
Figure 3. Application, Sessions, and Components
You perform tasks that affect a single session and store variables that persist throughout a session in the session code file. The session code file is named Session and has the appropriate extension (Session.wos, Session.java, or Session.m).
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