Java Programming for Complete Beginners - Java 16 - Step 05 - Functional Programming - Collect - Sum of Numbers in a Lis

Java Programming for Complete Beginners - Java 16 - Step 05 - Functional Programming - Collect - Sum of Numbers in a Lis

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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This video tutorial explores functional programming by demonstrating how to calculate the sum of a list of numbers. It begins with setting up a basic list and printing its elements. The tutorial then contrasts traditional sum calculation using loops with a functional programming approach using the reduce function. The video concludes with an exercise to find the sum of odd numbers, encouraging viewers to apply the concepts learned.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of the 'FP number runner' class in the example?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you calculate the sum of a list of numbers using functional programming as described in the text?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the 'reduce' function in the context of summing numbers?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how the initial value is used in the 'reduce' method.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the expected output when summing the numbers 1, 2, 3, 4, 5, and 6 using the functional programming approach?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the role of parentheses in method calls with one or two parameters as discussed in the text?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you modify the code to find the sum of only the odd numbers in the list?

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