Java Annotations Course

Using Java's Built-In Annotations

Java includes some built-in annotations to give the compiler instructions. In this stage, we'll explore the use of these three annotations: @Override, @Deprecated, and @SuppressWarnings.

• Introduction to Annotations

  2:16

• Getting Started with Annotations

  1 question

• The @Override Annotation

  4:49

• The @Override Annotation

  1 question

• Adding the @Override Annotation

  1 objective

• Using @Override to Fix an Error

  1 objective

• The @Deprecated Annotation

  3:31

• The @Deprecated Annotation

  1 question

• Using the @Deprecated Annotation

  1 objective

• Intro to Command Line Options for the Java Compiler

  3:48

• Command Line Options for the Java Compiler

  2 questions

• Using the Directory and Xlint Command Line Options

  5:11

• Using the Directory and Xlint Options in the Command Line

  2 questions

• The @SuppressWarnings Annotation - "static"

  4:40

• The @SuppressWarnings Annotation - "static"

  1 objective

• The @SuppressWarnings Annotation - "fallthrough"

  5:30

• The @SuppressWarnings Annotation - Suppressing Multiple Warnings

  1 objective

Writing Your Own Annotation

Understanding exactly how an annotation is coded and used is critical to fully leveraging the power of popular third-party libraries. During this stage, we'll create our own annotation, apply it to a class and some methods, and test for its presence using a programming technique called reflection.

• Project Overview: Docgen

  3:48

• Starting the Annotation - Declaration and Retention

  4:15

• Declaring an Annotation

  1 question

• Declaring an Annotation

  2 objectives

• Finishing the Annotation - Targets and Elements

  4:01

• Adding Annotation Targets and Elements

  2 objectives

• Using a Custom Annotation

  3:20

• Applying an Annotation

  3 questions

• Introduction to Reflection

  11:40

• Reflection Basics

  2 questions

• Reflection Basics

  2 objectives

• Using Reflection on Our Annotation

  9:06

• Putting It All Together

  4 objectives