Understanding Java Streams: Process Collections More Concisely
Learn how filter, map, and collect help you process Java data with readable code.
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Java Optional: Handling Values That May Be Absent
Use Optional to express a lookup that might not find a result.
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ABOUT THE AUTHOR
Dr (C). Ir. Putu Adi Guna Permana, S.Kom., M.Kom., IPM., ASEAN Eng.
Writer and founder of Diary Coding — sharing notes, tutorials, and experiences about programming for anyone who wants to keep learning.