Part IV Special Datatypes and Derived Properties
by Mircea Diaconescu, Gerd Wagner
Web Applications with Javascript or Java
- Cover
- Title Page
- Copyright
- Dedication
- Contents
- Foreword
- 1 Mastering App Development Requires More than Coding Skills
- 2 Why is JavaScript a Good Choice for Building Web Apps?
- 3 Why is Java a Good Choice for Building Web Apps?
- 4 Comparing Java with JavaScript
- 5 Good Programs Are: Effective, Robust, Efficient and Maintainable
- 6 Run the Apps and Get Their Code
- List of Figures
- List of Tables
- Part I Getting Started
- 1 A Quick Tour of the Foundations of Web Apps
- 2 More on JavaScript
- 3 Building a Minimal Web App with Plain JS in Seven Steps
- 3.1 Step 1 – Set up the Folder Structure
- 3.2 Step 2 – Write the Model Code
- 3.3 Step 3 – Initialize the Application
- 3.4 Step 4 – Implement the Create Use Case
- 3.5 Step 5 – Implement the Retrieve/List All Use Case
- 3.6 Step 6 – Implement the Update Use Case
- 3.7 Step 7 – Implement the Delete Use Case
- 3.8 Run the App and Get the Code
- 3.9 Possible Variations and Extensions
- 3.10 Points of Attention
- 3.11 Practice Projects
- 4 Building a Minimal Web App with Java EE in Seven Steps
- 4.1 Java Basics
- 4.2 Step 1 – Set up the Folder Structure
- 4.3 Step 2 – Write the Model Code
- 4.4 Step 3 – Configure the App
- 4.5 Step 4 – Implement the Create Use Case
- 4.6 Step 5 – Implement the Retrieve/List All Use Case
- 4.7 Step 6 – Implement the Update Use Case
- 4.8 Step 7 – Implement the Delete Use Case
- 4.9 Style the User Interface with CSS
- 4.10 Run the App and Get the Code
- 4.11 Possible Variations and Extensions
- 4.12 Points of Attention
- 4.13 Practice Projects
- 4.14 Quiz Questions
- 5 Information Modeling
- 6 Application Architecture
- Part II Constraint Validation
- 7 Integrity Constraints and Data Validation
- 8 Implementing Constraint Validation in a Plain JS Web App
- 8.1 Introduction
- 8.2 New Issues
- 8.3 Make a JavaScript Class Model
- 8.4 Set up the Folder Structure Adding Some Library Files
- 8.5 Write the Model Code
- 8.6 Write the View Code
- 8.7 Run the App and Get the Code
- 8.8 Possible Variations and Extensions
- 8.9 Points of Attention
- 8.10 Practice Projects
- 8.11 Quiz Questions
- 9 Implementing Constraint Validation in a Java EE Web App
- 9.1 Java Annotations for Persistent Data Management and Constraint Validation
- 9.2 New Issues
- 9.3 Make an Entity Class Model
- 9.4 Write the Model Code
- 9.5 Write the View Code
- 9.6 Defining a Custom Validation Annotation
- 9.7 Run the App and Get the Code
- 9.8 Possible Variations and Extensions
- 9.9 Practice Projects
- 9.10 Quiz Questions
- Part III Enumerations
- Part IV Special Datatypes and Derived Properties
- Glossary
- Index
Part IVSpecial Datatypes and Derived Properties
In addition to standard numeric and string data values, special attributes may also have several types of special data values, such as calendar dates or quantities (like times or monetary amounts), or composite values like records. Some attributes are derived from others.
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