What are common mistakes developers make with zero-copy and off-heap?

Keywords: zero-copy, off-heap, memory management, performance optimization, Java developers
Description: This article discusses common mistakes developers make regarding zero-copy and off-heap memory management in Java, helping them to optimize performance effectively.
// Example of incorrect usage of zero-copy ByteBuffer byteBuffer = ByteBuffer.allocateDirect(1024); // Common mistake: Writing to and reading from it without checking limits byteBuffer.position(0); byteBuffer.put("Hello, World!".getBytes()); byteBuffer.flip(); // Mistake: Not checking the limit before reading while (byteBuffer.hasRemaining()) { System.out.print((char) byteBuffer.get()); }

Keywords: zero-copy off-heap memory management performance optimization Java developers