Java Programming for Complete Beginners - Java 16 - Java Tip 14 - Why Enum and Enum Basics - Ordinal and Values

Java Programming for Complete Beginners - Java 16 - Java Tip 14 - Why Enum and Enum Basics - Ordinal and Values

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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The video tutorial introduces Java Enums, explaining their purpose and how they help restrict values to a predefined set. It covers creating and using Enums, including utility methods like 'valueOf' and 'ordinal'. The tutorial also discusses the implications of storing Enums in databases and advises against using ordinals for this purpose due to potential issues with value changes.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of using enums in Java?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the difference between using strings and enums for representing seasons?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how enums can restrict the values that a variable can hold.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you create an enum from a string in Java?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What are ordinals in the context of enums, and how are they assigned?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Discuss the potential issues with storing enums in a database using ordinals.

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What utility methods are available for enums in Java?

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