Android & Java Blog

Javapapers is an Android and Java blog, passionately published by Joe for more than a decade. It is the industry's top blog, with millions of views to its credit. Welcome!

Recent Articles

  • URI And URL Difference

    Before going into URL and URI, you need to know some background. Do you ever thought about, who decides what is URL? and what is URI? or who ...

    October 7th, 2009

  • Overloading vs Overriding in Java

    Overloading and overriding are completely different. Only the notion about interface (function) name is same. Overloading is the ability to ...

    October 3rd, 2009

  • Java Clone, Shallow Copy and Deep Copy

    Clone (κλών) is a Greek word meaning “branch”, referring to the process whereby a new plant can be created from a twig. In biolo ...

    September 28th, 2009

  • Read Only Collections

    I do build crazy buildings using my collection of Lego blocks. My 11 months old kid Ben curiously stares at me build it. He always wishes to ...

    September 25th, 2009

  • Session Life Cycle

    When I say life cycle, I can hear you murmur “Oh no not again, how many life cycles I have to deal with”! In real world everythi ...

    September 24th, 2009

  • How to pre-compile JSP?

    Add jsp_precompile as a request parameter and send a request to the JSP file. This will make the jsp pre-compile. Why it is mentioned as pre ...

    May 21st, 2009

  • Java null and NullPointerException

    NullPointerException: An attempt was made to use a null reference in a case where an object reference was required. NullPointerException is ...

    May 14th, 2009

  • Differentiate JVM JRE JDK JIT

    In this article you will learn about what is JVM, JRE, JDK and JIT in Java. Also about the differences between them. Java Virtual Machine (J ...

    May 10th, 2009

  • Servlet JSP Communication

    getServletConfig().getServletContext().getRequestDispatcher(“jspfilepathtoforward”).forward(request, response); The above line i ...

    April 8th, 2009

  • What are the causes of exceptions in java?

    A java exception can be thrown only in the following three scenarios: (1) An abnormal execution condition was synchronously detected by the ...

    October 15th, 2008