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For those of us who are coming from an imperative background, we are used to using try catch rather losely. Ok, I am not trying to generalize here but a majority of us do so. When we come to the Scala world, we realise that like other expressions in scala, try-catch-finally would result in a value. The general practice recommended is that finally should be used when we want something to be executed irrespective of whether it resulted in a value or ended up in a catch condition. A much used scenario is to clean up any resources in finally such as file.close() Now, in scala since it would yield a value, the recommendation is that you should not change the value which was computed as a part of try or catch in the finally block. What happens if you do it?

Posted by knoldus  |   Nov 17 2012 / 10:46

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