- Annotations help us in determining basic errors before hand before compilation.
- For example if we misspell an overridden method then in that case we can check it before compilation only if it has @override annotation above it.
- In Spring framework many issues can be predicted in advanced i.e. before application compiler.
- Before annotations we used to do all configurations in Spring framework in the xml configuration file.
- for example @bean/@component annotation directly class can be used as a bean.
Annotations
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