Explain the difference between inheritance and composition, and when/why one is preferable over the other
Latest Answer: Actually to use connection objects in the connection pool we need datasource object .if you take weblogic , if u want to contact to connection pool , u must get data source object. Thats all. ...
Latest Answer: Log4j API is an Apache project. It provides you the logging mechanism. which allows you to direct the debug & error (basically) statments onto a particular file/database/messaging system etc. Its provide a much cleaner way to store the output statment ...
Write a program in Java that reads a text file, "in.txt", that contains a list of integers separated by spaces. After reading the integers, the program stores them into a singly linked list and
What happenes if exception occur in finally block?
Latest Answer: Finally is just a method, if an exception occurs in finally block the program will terminate. So, U just put a try - catch block inside the finally block. Are explicity you have to catch the exception.finally { ...
Latest Answer: For RMI you can find in Appendix of Matering EJB , here is the link http://www.theserverside.com/tt/books/wiley/masteringEJB/downloads/MasteringEJB3rdEd.pdfand comming to servlets basics you can find it any J2EE Book by wrox publications or Java Servlets ...
Which class decodes a string into a URL encoded MIME type?A: MIMEDecoder B: URLDecoder C: MIMETypeDecoder D: ContentDecoder
How do you send data from windows application(from application made using swing or AWT) to web application using java(to website made using JSP or Servlet)?
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