Giving Variables Their First Value¶
☕ Java 17
Java doesn't treat every variable the same way when it comes to its first value. Fields get defaults; local variables get nothing; final fields get strict rules. Here's the full picture.
In this series¶
| # | Page | Reading time |
|---|---|---|
| 1 | Three kinds of variables, three rules | 3 min |
| 2 | final fields and "might not have been initialized" | 3 min |
| 3 | Lab: watching the defaults | 3 min |
🎓 OCP 1Z0-829 candidates: exam traps and practice questions (optional)
Prerequisites: Declaring Variables.