Java Interview Guide : 200+ Interview Questions and Answers - Generics

Java Interview Guide : 200+ Interview Questions and Answers - Generics

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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This video tutorial introduces the concept of generics in Java, explaining how they allow for the creation of flexible and type-independent programs. It provides an example of a non-generic MyList class and demonstrates how to convert it into a generic class. The tutorial also covers how to restrict generic types using 'extends' and 'super', and explains the creation and use of generic methods. Overall, the video highlights the benefits of generics in making code more adaptable and reusable.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What are generics and how do they contribute to program flexibility?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how a generic class can be created in Java.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of using 'T' in a generic class?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you restrict the types that can be used in a generic class?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the difference between using 'extends' and 'super' in generics.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What is a generic method and how does it differ from a generic class?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

Summarize the key benefits of using generics in Java programming.

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