What does the 'catch-or-declare' requirement in Java ensure regarding checked exceptions?
Understand the Problem
The question is asking about the 'catch-or-declare' requirement in Java, specifically focusing on how it relates to checked exceptions and what this requirement enforces in the context of exception handling in Java programming.
Answer
A method must either catch or declare all checked exceptions it can throw.
The 'catch-or-declare' requirement in Java ensures that a method must either catch all checked exceptions it can throw or declare them in its method signature using the throws keyword.
Answer for screen readers
The 'catch-or-declare' requirement in Java ensures that a method must either catch all checked exceptions it can throw or declare them in its method signature using the throws keyword.
More Information
This requirement enforces good error handling practices by ensuring that a method either handles exceptions directly or provides information to its callers about exceptions they might need to handle.
Tips
A common mistake is to forget to either catch a checked exception or declare it in the method signature, leading to a compilation error.
Sources
- The Catch or Specify Requirement - Essential Exceptions - docs.oracle.com
- Catch or Declare Requirement - Princeton University - cs.princeton.edu
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