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The "http protocol" is a stateless response or request based protocol.
You may contain the state information between different page requests as given below:
HTTP Sessions are the recommended useful approach. A session finds the requests that originate from the same browser in the mean while the period of conversation. All the servlets may share the similar session. The JSESSIONID is started by the server and may be passed to client through URL re-writing (if cookies are turned off), cookies or built-in SSL process. Care could be given to minimize size of objects stored in session and objects stored in session could be serializable. In a Java servlet the session may be retrieve as given:
HttpSession session = request.getSession(true); //gives a current session or a new session
//To get/put a value in/from the session
Name name = new Name("Parker");
session.setAttribute("lastname", name); //session.putValue(...) is deprecated as of 2.2
session.getAttribute("lastname");//get a value. session.getValue(...) is deprecated
//If a session is no longer needed e.g. user has logged out, etc then it may be invalidated. session.invalidate();
//you may also set the session inactivity lease period on every session basis session.setMaxInactiveInterval(300);
BeanFactory has many executions in Spring. But one of the most useful one is org.springframework.beans.factory.xml.XmlBeanFactory, which loads its beans based on the definitions ha
Write a program of else statement in java? The else statement in Java // This is the Hello program in Java class Hello { public static void main (String args[]) { if (
the textbok is Introduction to Java™ Programming, Brief Version, Eighth Edition Week 8 Exercises Chapter 8 Programming Exercises from Pages 295 - 299. Do Exercise Problems 2,
Mine craft plug-in Coder Project Description: Some custom plugging for my Mine craft server. Skills required: Java, Editing
Read information of n students. The class name should be kkhsou with the member variable name, rollno, center_code and percentage in last examestion.Display the students data whose
Explain abstract method in java? Java permits methods and classes to be declared abstract. An abstract method is not actually implemented in the class. It is merely declared th
JavaServer Faces(JSF) is a framework for building web-based user interface in Java. Unlike Swing, JSF provides widgets like buttons, hyperlinks, checkboxes, etc. in dissimilar ways
2. Problem Description: A Java program needs to be written to display the result of following operations based input character. The table for input character with operations is : I
how android applications are made using java.?
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