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Java Hero:Streamsโs Java theme needs operation chaining, and a 2M-element 80-operation Java tool fits. Is the puzzle in the 'Stream Efficiency' level (optimizing 45 slow chains)? Does it processes 2 million data elements via Java streams, chains 80 operations (filter/map/reduce), and has a 'Stream Profiler' that measures 20+ execution time metrics?
Posted : October 7, 2025 11:54 am