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Explore the Foreign Function and Memory API, a final feature in Java SE 22, through this comprehensive conference talk. Dive into the evolution of off-heap memory management in Java, from ByteBuffer to the new Memory API. Learn about key concepts such as Arenas and MemorySegments for managing gigabytes of contiguous off-heap memory, and discover how MemoryLayout enables C-struct-like data organization. Follow a step-by-step approach to understanding this complex API, including data organization, memory alignment, and the critical use of VarHandle for data access. Gain insights into loading large files into memory segments and witness the impressive performance achieved when processing billions of data elements. Perfect for developers looking to leverage modern memory management techniques in Java applications.
