How does suppressed exceptions impact performance or memory usage?

The use of suppressed exceptions in Java has both implications for performance and memory usage. When an exception is suppressed, it is not discarded. Instead, it is stored, and this can lead to increased memory consumption as the suppressed exceptions accumulate. Consequently, if multiple suppressed exceptions are generated during the execution of a program, this can negatively impact performance due to increased memory overhead. However, the actual runtime performance impact may vary based on specific use cases and exception management practices.

Here is an example of handling suppressed exceptions in Java:

// Example of suppressed exceptions in Java try { // Code that may throw an exception throw new IOException("First exception"); } catch (IOException e) { System.err.println("Caught: " + e.getMessage()); // Suppress the exception try { throw new IOException("Second exception"); } catch (IOException suppressed) { e.addSuppressed(suppressed); } } finally { for (Throwable t : e.getSuppressed()) { System.err.println("Suppressed: " + t.getMessage()); } }

suppressed exceptions Java performance memory usage exception handling programming best practices

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