classcastexception casting toarray 28 29 method
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showing results for - "classcastexception casting toarray 28 29 method"
Juan Pablo
26 Feb 2016
1Collection c = new ArrayList();
2Integer obj = new Integer(1);
3c.add(obj);
4
5 // this would trigger the rule (and throw a ClassCastException if executed)
6Integer[] a = (Integer [])c.toArray();
7
8 // this is fine and will not trigger the rule
9Integer[] b = (Integer [])c.toArray(new Integer[c.size()]);
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