Only possibility of allowing this I can think is maybe if language decides to add a SuperObject at the topmost hierarchy. What Could Cause Flash Over / Arcing to Reappear on New Plugs? How to reply? Old habits die hard. :) –Ted Hopp Nov 28 '13 at 0:48 add a comment| up vote 2 down vote Because java.util.ArrayList extends java.util.List, not java.awt.List. navigate here
Is it possible to hand start modern planes? You can allow any list by using wildcards. But with this kind of thing you have to be careful that what you're doing in your method is very safe. How good should one be to participate in PS? have a peek at these guys
Mimsy were the Borogoves - why is "mimsy" an adjective? In fact, you cannot put anything into a List share|improve this answer answered Mar 5 '14 at 10:04 Smutje 8,9642929 add a comment| up vote 1 down vote Don't use raw types use generics. In this case they need to be List
What is the significance of the robot in the sand? They are two ends of the spectrum, just like programmersand humility. Join them; it only takes a minute: Sign up Type mismatch: cannot convert from ArrayList> to List
This is what List list2.add(1); // if this program compiled you would have a 1 in the list of String. WillIntegeralso be up-cast toNumber? http://stackoverflow.com/questions/33351983/type-mismatch-cannot-convert-from-arraylist-to-liststring You can only get Comparable instances from it. –Michael Borgwardt Dec 19 '11 at 14:10 add a comment| up vote 2 down vote Because a List
Why aren't Java's generics implicitly polymorphic?337What is the point of the diamond operator in Java 7?16Varargs to ArrayList problem in Java200Google Gson - deserialize list
Was it legal to rant against trick or treating via loudspeaker during halloween? http://stackoverflow.com/questions/22194413/type-mismatch-cannot-convert-from-object-to-list Browse other questions tagged java eclipse or ask your own question. Arraylist
> extends String> would be kind of silly. Type Mismatch Cannot Convert From Object To List e.g.
My cat sat on my laptop, now the right side of my keyboard types the wrong characters Why do some banks have more than one routing number in the US? check over here Then what you do is you put an Object into your List
If you succeeded to run it on windows then it only means that you didn't run the method which originally failed to compile. As a monk, can I use Deflect Missiles to protect my ally? Remember that generics were introduced in Java to provide type safety ? his comment is here The compiler disciplined my little adventure, with this error message:Type mismatch: cannot convert from ArrayList
How do unlimited vacation days work? Java Convert List To Arraylist you have to typecast it to appropriate type explicitly. List
> is perfect.
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Post Reply Bookmark Topic Watch Topic New Topic programming forums Java Java JSRs Mobile Certification Databases Caching Books Engineering Languages Frameworks Products This Site Careers Other all forums Forum: Programmer Certification How to capture disk usage percentage of a partition as an integer? Solution: This is because you have not imported correct library. Arraylist To Array companyList.get(k) returns an object.
GO OUT AND VOTE How to stop NPCs from picking up dropped items Basic Geometric intuition, context is undergraduate mathematics why does this error keep popping out? extends Comparable> except null. Changing the import line to import java.util.List; should fix this, as would writing java.util.List list = new ArrayList(); to explicitly indicate that you want a collection. weblink Just do a cast, we know it's safe.
That said, you should also be using generics here. List
> announces; announces = new ArrayList
>(); Should work. Teenage daughter refusing to go to school How to prove that authentication system works, and that the customer is using the wrong password? share|improve this answer answered May 13 '12 at 21:02 Betlista 5,41663770 Yeah you are right, thanks ! –Big.Child May 13 '12 at 21:04 add a comment| up vote 4
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