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plurals

PO
primarykey
Id
6232276
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2011-06-03T20:25:05.973
FavoriteCount
0
LastActivityDate
2017-11-09T00:25:55.393
LastEditDate
2017-11-09T00:25:55.393
LastEditorUserId
1071496
OwnerUserId
403848
ParentId
6231973
PostTypeId
2
Score
5
ViewCount
0
LastEditorDisplayName
text
Body
In your third point, "T" cannot be resolved because its not declared, usually when you declare a generic class you can use "T" as the name of the <a href="http://download.oracle.com/javase/tutorial/java/generics/bounded.html" rel="nofollow noreferrer">bound type parameter</a>, many online examples including <strike><a href="http://download.oracle.com/javase/tutorial/java/generics/gentypes.html" rel="nofollow noreferrer">oracle's tutorials</a></strike> use "T" as the name of the type parameter, say for example, you declare a class like: <pre><code>public class FooHandler<T> { public void operateOnFoo(T foo) { /*some foo handling code here*/} } </code></pre> you are saying that <code>FooHandler's</code> <code>operateOnFoo</code> method expects a variable of type "T" which is declared on the class declaration itself, with this in mind, you can later add another method like <pre><code>public void operateOnFoos(List<T> foos) </code></pre> in all the cases either T, E or U there all identifiers of the type parameter, you can even have more than one type parameter which uses the syntax <pre><code>public class MyClass<Atype,AnotherType> {} </code></pre> in your forth ponint although efectively Sting is a sub type of Object, in generics classes there is no such relation, <code>List<String></code> is not a sub type of <code>List<Object></code> they are two diferent types from the compiler point of view, this is best explained in <a href="http://thegreyblog.blogspot.com/2011/03/java-generics-tutorial-part-ii.html" rel="nofollow noreferrer">this blog entry</a>
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1. This table or related slice is empty.
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1. PODifference between List, List<?>, List<T>, List<E>, and List<Object>
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PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USMarcello Grechi Lins
UserOwnerUserId
1. USHarima555
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