Coding⏱️ 2 min read📅 2026-05-31
How to Fix: When to use an assertion and when to use an exception
Use assertions to validate assumptions in code, not for error handling.
Quick Answer: Replace the null check with an assertion to ensure the group is not null after retrieving it from the service.
📋 Table of Contents
When to use an assertion and when to use an exception, is a common debate among developers. Assertions are used to validate assumptions in the code, while exceptions are used to handle exceptional cases.
💡 Why You Are Getting This Error
- [Cause]
🚀 How to Resolve This Issue
Method 1: Use Assertions
- Step 1: In your production code, use assertions to validate assumptions. For example, you can assert that the `group` variable is not null after catching an exception.
Method 2: Use Exceptions
- Step 1: In your production code, use exceptions to handle exceptional cases. In the given example, you can catch an exception and log the error instead of ignoring it.
🎯 Final Words
[Wrap-up]
❓ Frequently Asked Questions
Step 1: In your production code, use assertions to validate assumptions. For example, you can assert that the `group` variable is not null after catching an exception.
Step 1: In your production code, use exceptions to handle exceptional cases. In the given example, you can catch an exception and log the error instead of ignoring it.
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