Annotation Statements and Declarationshtml

This chapter provides tutorial notes on annotation. Topics include declaring new annotation type; using 'interface' for annotations; specifying default values to annotation elements; shorthand format of annotation invokation with a single element or no element; obtaining annotation information at runtime using getAnnotations() method; predefined annotations in Java.

What Is Annotation

Use "interface" as Annotation

Default Values for Annotation Elements

Single-Element Annotation Invokation

No-Element (Marker) Annotation Invokation

getAnnotations() Method - Annotation APIs

Predefined Annotation Types

Conclusion:

Table of Contents

 About This Book

 JDK - Java Development Kit

 Execution Process, Entry Point, Input and Output

 Primitive Data Types and Literals

 Control Flow Statements

 Bits, Bytes, Bitwise and Shift Operations

 Managing Bit Strings in Byte Arrays

 Reference Data Types and Variables

 Enum Types and Enum Constants

 StringBuffer - The String Buffer Class

 System Properties and Runtime Object Methods

 Generic Classes and Parameterized Types

 Generic Methods and Type Inference

 Lambda Expressions and Method References

 Java Modules - Java Package Aggregation

 Execution Threads and Multi-Threading Java Programs

 ThreadGroup Class and "system" ThreadGroup Tree

 Synchronization Technique and Synchronized Code Blocks

 Deadlock Condition Example Programs

 Garbage Collection and the gc() Method

 Assert Statements and -ea" Option

Annotation Statements and Declarations

 Java Related Terminologies

 Outdated Tutorials

 References

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