Bloomberg LP Interview Question for SDE-2s

Country: United States
Interview Type: Phone Interview

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Garbage Collection is one of the memory management technique which can be either automatically implemented by the compiler or has to be explicitly specified by the developer in few languages. In the mark and sweep way of garbage collection works using a flag to denote usage. A root set of objects are identified and also also objects that refer to them or are referred by them are marked and then a top-bottom dependency check is done on these flags and when a objects is out from the dependency chain , there is a change in the flag which becomes a sweet-spot for garbage collection and the gc executes the sweep operation.

- riaz.2012 September 13, 2015 | Flag Reply

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