1)What are the actual functions of JVM? 2)When to use a class and when to use an Abstract class? 3)what is the use of constructors other than creation of objects? 4)when to use constructors? 5)when to use Interface? 6)why java does not support pointers? 7)why multiple inheritance is not possible in java without using Interfaces?
While developing one in JSP page we are sending request to Struts frame work.If we click two times submit button then First time only it should accept request and second time should reject that request in struts frame work.
How we can do that in controller itself...I am waiting for your Response...