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  1. #1
    learn2java is offline Member
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    Exclamation Wildcards in Java

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    Do wild cards : are a type of variable in java ?? , what is bounded type variables & what is lower bound and upper bound variables in generics , Java masters i would request you to describe in detail these terms ??
    Last edited by learn2java; 05-02-2011 at 11:15 PM.

  2. #2
    doWhile is online now Moderator
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  3. #3
    learn2java is offline Member
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    hi regards to your anwer , i have googled it many times but i have confusion , not in any document difference is given , please explain !!

  4. #4
    doWhile is online now Moderator
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    If you are confused, it will help to define where you are confused. The top hit with a google search explains all the keywords you mentioned in your original post in detail, and with examples. One can regurgitate that information in detail, but without knowing what you are confused about than we can end up going in circles.

  5. #5
    learn2java is offline Member
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    hi , i will explain what I am confused about quite clearly , I am very new to generics so I am reading various document including that you suggested now , I want to know one simple thing that is , bounded type variables as " upper bound " is commonly used in generics , I want to know that the wild cards are also a type variable , this I can not find any where , please explain ?

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