Part III. Enumerations
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Part III. Enumerations

In virtually any app, we need to deal with string-valued attributes with a fixed set of possible string values. These attributes are called enumeration attributes, and the fixed value sets defining their possible string values are called enumerations.

Table of Contents

8. Enumerations and Enumeration Attributes
1. Enumerations
1.1. Simple Enumerations
1.2. Code Lists
1.3. Record Enumerations
2. Enumeration Attributes
3. Enumerations in Computational Languages
3.1. Enumerations in SQL
3.2. Enumerations in XML Schema
3.3. Enumerations in JavaScript
4. Quiz Questions
4.1. Question 1: Languages Supporting Enumerations
4.2. Question 2: UI Widget for Single-Valued Enum Attribute
4.3. Question 3: UI Widget for Multi-Valued Enum Attribute
9. Dealing with Enumerations in Java, JPA and JSF
1. New Issues
2. Make a JPA Entity Class Model
3. Write the Model Code
3.1. Encode the enumerations
3.2. Encode the entity class
3.3. Define a converter for serializing enumeration attribute values
3.4. Encode the enumeration attribute setters
3.5. Write a serialization function
3.6. Database schema
3.7. Creating test data
4. Write the View Code
4.1. Selection lists
4.2. Choice widgets
4.3. Responsive validation for selection lists and choice widgets
5. Show multi-valued properties for the List Objects Use Case
6. Run the App and Get the Code
7. Possible Variations and Extensions
7.1. Ordered-Set-Valued Attributes
10. Practice Projects
1. Project 1 - Develop a Java Back-End App with Enumeration Attributes
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Chapter 7. Practice Projects Home Chapter 8. Enumerations and Enumeration Attributes