Wipro Java Interview Questions | 2013 :
* Explain OOPs concepts in java?
* In what cases you will use Abstract Class and Interfaces?
* What is stack and heap memory in java?
* What is runtime exceptions? Give some examples?
* Write a actual singleton java class?
* Write a program to print the given array in reverse order {2,5,3,1,4} ?
* What is the difference between sleep() and wait() methods?
* What is the difference between Thread class and Runnable interface in Java?
* Explain Servelet life cycle ?
* Difference between forward() and sendRedirect() ?
* How JSP handle runtime Exceptions?
* Why hibernate?, Why not JDBC?
* What is the importance of SessionFactory in Hibernate?
* Difference between merge() and Update() methods?
* What is Secondary level cache in hibernate?
* How do you declare a page as Error Page. What tag you include in a JSP page
* so that it goes to specified error page in case of an exception ?
* Difference between Include Directive & Include Tag ?
* Why native methods are used ?
* Servlet is a java class. So, can there be a constructor in Servlet class or not ?
* What’s the difference between forward & include tags?
* What URL (absolute or relative) is used in RequestDispatcher forward?
* How to configure Data Source in WebSphere server ?
* Oracle Thin Driver comes under which type of Driver ?
* Is it possible to write methods in JSP ? If so, how ?
* Difference between JSP & Servlets ?
* Which type of EJB can use bean pooling ?
* How can you call an EJB from a JSP/Servlet ?
* Difference between Hashtable & HashMap ?
* By default, Hashtable is unordered. Then, how can you retrieve Hashtable
* elements in the same order as they are put inside?
* Explain OOPs concepts in java?
* In what cases you will use Abstract Class and Interfaces?
* What is stack and heap memory in java?
* What is runtime exceptions? Give some examples?
* Write a actual singleton java class?
* Write a program to print the given array in reverse order {2,5,3,1,4} ?
* What is the difference between sleep() and wait() methods?
* What is the difference between Thread class and Runnable interface in Java?
* Explain Servelet life cycle ?
* Difference between forward() and sendRedirect() ?
* How JSP handle runtime Exceptions?
* Why hibernate?, Why not JDBC?
* What is the importance of SessionFactory in Hibernate?
* Difference between merge() and Update() methods?
* What is Secondary level cache in hibernate?
* How do you declare a page as Error Page. What tag you include in a JSP page
* so that it goes to specified error page in case of an exception ?
* Difference between Include Directive & Include Tag ?
* Why native methods are used ?
* Servlet is a java class. So, can there be a constructor in Servlet class or not ?
* What’s the difference between forward & include tags?
* What URL (absolute or relative) is used in RequestDispatcher forward?
* How to configure Data Source in WebSphere server ?
* Oracle Thin Driver comes under which type of Driver ?
* Is it possible to write methods in JSP ? If so, how ?
* Difference between JSP & Servlets ?
* Which type of EJB can use bean pooling ?
* How can you call an EJB from a JSP/Servlet ?
* Difference between Hashtable & HashMap ?
* By default, Hashtable is unordered. Then, how can you retrieve Hashtable
* elements in the same order as they are put inside?