What are annotations in Java OOP?
An example of an AI chatbot conversation about Java OOP annotations.
What are annotations in Java OOP?
Annotations in Java are metadata that provide data about a program but are not part of the program itself. They can be used for various purposes, such as providing information to the compiler or runtime.
Can you give me some examples of built-in annotations?
Sure! Some common built-in annotations in Java include @Override, @Deprecated, and @SuppressWarnings.
How do I create a custom annotation?
To create a custom annotation, you define it using the @interface keyword. You can also specify retention policies and target elements.
What is the purpose of the @Retention annotation?
The @Retention annotation specifies how long annotations with the annotated type are to be retained. It can be set to SOURCE, CLASS, or RUNTIME.
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