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JSP Page Object Request
In order to access the request object from a JSP page? Which step you must complete among the following:a. call the getRequest method of the JSP page.b. Use the getServletConfig method of the JSP page, then call the getRequest method of the ServletConfig object.c. There is never a good reason to access the request object from a JSP page.d. It is an implicitly defined variable.
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Vector Size
What is the default size of Vector
yogesh249
- Oct 26th, 2010
Default size of vector is 10.Source: http://download.oracle.com/javase/1.4.2/docs/api/java/util/Vector.html
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Struts Advantage
What is the advantage of using struts?
yogesh249
- Jan 27th, 2010
The main advantage of using Struts is that MVC architecture is followed.All the layers, presenation, business and Data access layers are seperated and Web-designer can work independently of the programmer and programmer need not have the knowledge of the designing part.
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Need of Method Overloading
What is the need of method overloading? What would happen if this feature is not present in Java?
msrmsr
- Oct 4th, 2010
In Java one of the main concept is polymorphismpoly means many..taking many form with existing one.if we use a method callled add();add(int x,int y) we can add 2 integersadd(float x,float y)we can a...
yogesh249
- Jan 30th, 2010
It is simple. Overloading is required, if you want a particular method to change its behavior based on the parameters passed.Suppose you have a sum functionSum(int i, int j)This will add two inte...
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Abstract Class or Method
Can we make use of "this" keyword reference inside a abstract method or abstract class? Explain
java indian
- Mar 10th, 2010
Yes we can use "this" key word in Abstract class or methods,Here we have simple sample used of this key in abstract.abstract class ab { int j;void meth() { this. j=10; ...
yogesh249
- Jan 24th, 2010
Yes that is true that we cannot create object of an abstract class. But the question is "Can we use this keyword in an abstract class."The answer is YES we can..Have a look at the following ...
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suppose in web.xml file we are given 30 and in the servlet program we are given setSessionInActiveInterval(40).when that session will be terminated ? After 30 sec or 40 sec?
yogesh249
- Jun 30th, 2010
Session.setMaxInactiveInterval(20*60) Only the session on which you call the method is affected.But if you configure in DD (i.e. web.xml) it changes all the sessions of the web-application.
yogesh249
- Jun 30th, 2010
setMaxInactiveInterval specifies the maximum time, in seconds, that you want to allow between client requests for this session.When configuring in web.xml<web-app>...<session-config> ...
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