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cetnar on 07/15/06

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generics tiger wildcard

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xaviaracil

Generics - Using Type Wildcards

Published in: Java

Uwaga: taki typ generyczny jest niestety readonly.

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public void printList(List<?> list, PrintStream out) throws IOException {
 
      for (Iterator<?> i = list.iterator( ); i.hasNext( ); ) {
 
        out.println(i.next( ).toString( ));
 
      }
 
 }

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