Exception Handling Best Practices

When and how to use exceptions

6 min read

Best Practices

  • Catch specific exceptions
  • Don’t swallow exceptions
  • Use custom exceptions
  • Log properly
  • Never catch Error

Code Examples

Proper exception handling

java
1
2catch (IOException e) {
3    logger.error("File read failed", e);
4    throw e;
5}
6

Use Cases

  • Enterprise applications
  • Production stability

Common Mistakes to Avoid

  • Empty catch blocks
  • Overusing RuntimeException