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  1. #1
    james is offline Member
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    Default Want Some Expert Advice? JAX India 2008 Might Be the Right Place

    Following the success of JAX India 2007, enterprises will be more keen on the upcoming event JAX India 2008, to be held in Bangalore, from 8-11th of April.

    JAX India 2007 featured some of the big names like Craig McClanahan of Sun Microsystems, Neal Ford (a senior application architect at ThoughtWorks), Malcolm Groves of CodeGear and many more, covering topics from JAVA enterprise to Open Source, Software testing and much more.

    JAX India 2008 promises to throw light on Enterprise Java, SOA, Web Services, Enterprise Architectures, SOA Technologies, SOA Governance, Eclipse, Enterprise Collaboration and many more. This conference offers its participants a three-fold conference experience: JAX India 2008, Enterprise Architecture India 2008 and Eclipse Forum India 2008.

    Things to look out for in JAX India 2008 are:
    " Selection of industry experts from North America, Europe and Asia Pacific.
    " Over 60 sessions, including focused full-day/half-day power workshops.
    " Real-world business advice from Enterprise IT decision makers.
    " An opportunity to attend three conferences for the price of one.
    " Gather first-hand information about new vendor products and services at the joint expo.
    ************************************************** *********************
    Register Before Feb 15th. Save upto 21%. Visit JAX India 2008 - Conference for Enterprise Java, SOA, Spring, Web Services, Ajax, Agile and more. 08-11 April 2008, Bangalore, India for details
    ************************************************** *********************

  2. #2
    srinath is offline Member
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    Default

    hi all.

    i am newilly joined please help me
    what is the main different's for Intrface and Abstract Class

  3. #3
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    Smile difference between the interface and the Abstract class

    well....

    FIRST:- the interface is 100% abstract and that means that all its methods are abstract and they are need to be overridden (all of them)
    this an example of an interface:

    public interface Eyass {

    public abstract void setAge();
    public void setHobby();
    abstract void setFoto();
    void setLocation();
    }

    in the interface all methods are public and abstract wether you declare that or not ok i mean you can cancel the declaration (public abstract).

    in addition: the interface is implemented (i mean it's not inherited like the class) for exapmle :say i have this class Person

    we say :

    Class person implements Eyass {

    // some code .....
    }

    SECOND:- Abstract Classes:

    they are classes but with the declaration abstract which means that
    we cant take an instance of the abstract class and the only way to deal with the abstract class is to inherit it by a subclass(child)

    if we declare Eyass as an abstract class like:

    public abstract class Eyass{

    public abstract void setAge();
    public void setHobby() { //some code};
    abstract void setFoto();
    void setLocation() { }
    }
    you have to know that the abstract class can have abstract methods and non-abstract methods and only the abstract methods must be overridden while the non-abstract method is free to be overridden or not.

    and we dont forget the to use the abstract class we say:

    class Person extends Eyass {

    //some code ...

    }

    i hope it's useful to you and if i made any mistake i hope some developer correct it ... thanks

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