What elements are contained in the set after this code executes? Set set = new HashSet(); set.add(74); set.add(12); set.add(74); set.add(74); set.add(43); set.remove(74); set.remove(999); set.remove(43); set.add(12); set.add(32); set.add(9); set.add(999); Your response:[set]

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The lock object is a feature included in the Advanced Business Application Programming (ABAP) Data Dictionary. They are used to maintain data consistency while inserting and updating data in a database.