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[I]<<thread split from [URL="http://www.daniweb.com/forums/post731500.html#post731500"]here[/URL]>>[/I] [QUOTE=destin;731502]You'd compare an object to [icode]null[/icode] with [icode]==[/icode]. I think you want one of the following. It's hard to determine the exact behavior you're looking for from your code. [code=Java]if (child == null) child = new Lista(c, null); // Or: if (child.getData() == null) child = … 
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