Java Programming for Complete Beginners - Java 16 - Step 05 - Generics and WildCards - Upper Bound and Lower Bound

Java Programming for Complete Beginners - Java 16 - Step 05 - Generics and WildCards - Upper Bound and Lower Bound

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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This video tutorial explores the concept of wildcards in Java generics. It covers the use of upper and lower bounded wildcards in method arguments, local variables, and member variables. The tutorial provides practical examples of summing lists of numbers using wildcards and explains the differences between upper and lower bounded wildcards. The video concludes with a summary of the key points discussed, emphasizing the importance of understanding generics and wildcards in Java programming.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What types of lists can be passed to the method that sums numbers?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of adding values to a list using lower bounded wildcards.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the commonly used types of generics in Java?

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