Saturday, February 20, 2010

Java Collection - Pic

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Java Puzzles


1. Is it possible to cast like this ?
List strings = new ArrayList();
List objects = strings;

2. Will this work ?
List strings = new ArrayList();
Collection objects = strings;

3. Can we do it ?
Collection collection = new ArrayList();
collection.add("newString");

4. will this work ?
List objects = new ArrayList();
String s = (String) objects.get(0);
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