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  1. Courses
  2. Java
  3. Data Structures

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Title Difficulty Average time to complete Status
1D Array Medium 20 minutes
MultiDimensional Arrays Medium 24 minutes
ArrayList Easy 25 minutes
Stacks Medium 46 minutes
Queues Easy 31 minutes
Deque Easy 22 minutes
PriorityQueue Easy 16 minutes
PriorityQueue Comparator Easy 27 minutes
Classes Easy 11 minutes
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