多項(xiàng)選擇題

Upon a user’s first visit to the website， which two operations are always performed when the getSession method is called with no arguments in a servlet？（）

A. All URLs returned by the server are rewritten.
B. An HttpSession object is created if necessary.
C. The user name and password of the user are checked.
D. The session ID is stored in the HTTP response as a cookie.

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單項(xiàng)選擇題

Which interface must a class implement to be informed of a session creation event？（）

A. javax.servlet.http.HttpSessionListener
B. javax.servlet.http.HttpSessionBindingListener
C. javax.servlet.http.HttpSessionCreationListener
D. javax.servlet.http.HttpSessionActivationListener

多項(xiàng)選擇題

Which the two are concerning the objects available to developers creating tag files？（）

A. The session object must be declared explicity.
B. The request and response objects are available implicity.
C. The output stream is available through the implicit outStream object.
D. The servlet context is available through the implicit servletContext object.
E. The JspContext for the tag file is available through the implicit jspContext object.

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Upon a user’s first visit to the website， which two operations are always performed when the getSession method is called with no arguments in a servlet？（）

你可能感興趣的試題

Which interface must a class implement to be informed of a session creation event？（）

Which the two are concerning the objects available to developers creating tag files？（）

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Upon a user’s first visit to the website， which two operations are always performed when the getSession method is called with no arguments in a servlet？（）

Which interface must a class implement to be informed of a session creation event？（）

Which the two are concerning the objects available to developers creating tag files？（）