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Java FAQ:
- What are the causes of exceptions in java?
- Explain type of exceptions or checked vs unchecked exceptions in java.
- Explain the java this keyword.
- Is javadoc comment a type of standard java comment?
- Check list for Internationalization (I18n)
- What is scoped memory and why java uses it?
- What is a static import in java?
- Explain the scope of JSP objects.
- Difference between Vector and ArrayList in java?
- How many types of java variables are there?
- Explain the methods used for session tracking.
- What is a java marker interface?
- What happens if you call destroy() from init() in java servlet?
- Explain the final keyword in java.
- Access modifiers in java - explain.
- How to avoid IllegalStateException in java servlet?
- What is servlet mapping?
- Difference between HttpServlet and GenericServlet
- What is preinitialization of a java servlet?
- Difference between forward and sendRedirect
- What are the types of JSP Comments?
- Explain the java static modifier
- Difference between static and non-static java inner class.
- Can a java subclass declare a private method available in its java superclass?
- Explain the JSP Implicit Objects
- Difference between JSP include directive and JSP include action
- Difference between ServletConfig and ServletContext
- Difference between ServletRequest.getRequestDispatcher and ServletContext.getRequestDispatcher
- ServletRequest and ServletResponse - Explain
- Why not declare a constructor in servlet?
- Servlet Life Cycle - Explain
- Difference between _jspService() and other life cycle methods.
- JSP Life Cycle - explain.
- When does the finally clause in java exception block never executes?
- Java pass by value and pass by reference.
- Can an unreachable Java object become reachable again?
- Java finalization
- Java garbage collection
- Does Java garbage collection guarantee that a program will not run out of memory?
- Difference between a Java interface and a Java abstract class?
- When can an object reference be cast to a Java interface reference?
- Java interface
- What is a filter?
- How can you invoke a defined method of an abstract class?
- What is an abstract class?
- What is an abstract method?