Category: 1. Creating & Destroying Objects

THIS Section concerns creating and destroying objects:

• When and how to create them,
• When and how to avoid creating them,
• How to ensure they are destroyed in a timely manner, and
• How to manage any cleanup actions that must precede their destruction.

Following Rules are described

1. Consider static factory methods instead of constructors
2. Consider a builder when faced with many constructor parameters
3. Enforce the singleton property with a private constructor an enum type
4. Enforce non-instantiability with a private constructor
5. Prefer dependency injection to hard-wiring resources
6. Avoid creating unnecessary objects
7. Eliminate obsolete object references
8. Avoid finalizers and cleaners
9. Prefer try-with-resources to try-finally