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JavaIntermediate#exceptions

What is exception chaining (cause)?

Wrapping a lower-level exception inside a higher-level one while preserving the original via the 'cause' constructor argument, so the full stack trace and root cause remain visible for debugging.

Example
try {
  parseFile();
} catch (IOException e) {
  throw new RuntimeException("Failed to process file", e); // e is the cause
}

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