JAVA EXAMPLE PROGRAMS

JAVA EXAMPLE PROGRAMS

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Java Annotations (Metadata) Examples


Description:

Java Annotations are also called Metadata. Annotations are introduced with JDK 5 onwards. Annotations allows us to add some form of metadata information into our source code, but it doesnot change the execution flow of the program. These annotations can then be processed at compile time by the compiler tools or during at runtime via Java Reflection. Classes, methods, variables may be annotated.

List Of All Annotation (Metadata) Programs:

  1. How to create basic custom annotation?
  2. What is Retention policy in java annotations?
  3. How to get annotations at runtime using java reflection?
  4. How to get all annotations from a class?
  5. How to assign default values to custom annotations?
  6. What is marker annotation and how to process it at runtime?
  7. Built-in Java Annotations: @Deprecated example
  8. Built-in Java Annotations: @Override example
  9. Built-in Java Annotations: @SuppressWarnings example
  10. What is single member annotation and how to process it?
Knowledge Centre
Difference between while and do-while
The while statement verifies the condition before entering into the loop to see whether the next loop iteration should occur or not. The do-while statement executes the first iteration without checking the condition, it verifies the condition after finishing each iteration. The do-while statement will always execute the body of a loop at least once.
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About Author

I'm Nataraja Gootooru, programmer by profession and passionate about technologies. All examples given here are as simple as possible to help beginners. The source code is compiled and tested in my dev environment.

If you come across any mistakes or bugs, please email me to [email protected].

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Reference: Java™ Platform Standard Ed. 7 - API Specification | Java™ Platform Standard Ed. 8 - API Specification | Java is registered trademark of Oracle.
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