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Problem with generics and dynamic array copy

From Sebastian <sebastian@undisclosed.invalid>
Newsgroups comp.lang.java.programmer
Subject Problem with generics and dynamic array copy
Date 2011-07-22 19:26 +0200
Organization albasani.net
Message-ID <j0cbru$289$1@news.albasani.net> (permalink)

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Hello there,

how can I make the compile error go away? The marked line is wrong:
Type mismatch: cannot convert from Class<capture#2-of ?> to Class<T>

   /**
    * Copies the specified array to a new array with the same component
    * type and length as the given array.
    * @param <T> the type of the array elements
    * @param src the array to be copied
    * @return the copy
    */
   public static final <T> T[] arraycopy( T[] src )
   {
     Class<T> componentType = src.getClass().getComponentType(); // !!!!
     @SuppressWarnings("unchecked")
     T[] dest = (T[]) Array.newInstance( componentType, src.length );
     System.arraycopy( src, 0, dest, 0, src.length );
     return dest;
   }

I'd be grateful for a hint.
-- Sebastian

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Thread

Problem with generics and dynamic array copy Sebastian <sebastian@undisclosed.invalid> - 2011-07-22 19:26 +0200
  Re: Problem with generics and dynamic array copy Sebastian <sebastian@undisclosed.invalid> - 2011-07-22 19:30 +0200
    Re: Problem with generics and dynamic array copy markspace <-@.> - 2011-07-22 11:23 -0700
      Re: Problem with generics and dynamic array copy Sebastian <sebastian@undisclosed.invalid> - 2011-07-22 20:36 +0200
        Re: Problem with generics and dynamic array copy Robert Klemme <shortcutter@googlemail.com> - 2011-07-22 21:27 +0200
          Re: Problem with generics and dynamic array copy lewbloch <lewbloch@gmail.com> - 2011-07-22 13:33 -0700
          Re: Problem with generics and dynamic array copy Sebastian <sebastian@undisclosed.invalid> - 2011-07-22 22:37 +0200
            Re: Problem with generics and dynamic array copy lewbloch <lewbloch@gmail.com> - 2011-07-22 15:49 -0700

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