Learn Java from Scratch - A Beginner's Guide - Step 03 - Java For Loop - Exercise - Sum Up to N Numbers and Sum of Divis

Learn Java from Scratch - A Beginner's Guide - Step 03 - Java For Loop - Exercise - Sum Up to N Numbers and Sum of Divis

Assessment

Interactive Video

Computers

6th - 8th Grade

Hard

Created by

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FREE Resource

The video tutorial covers two main exercises: calculating the sum of numbers up to a given number (sum up to north) and finding the sum of divisors of a number, excluding the number itself and one. The instructor provides a detailed explanation and step-by-step implementation of both exercises, using loops and conditional logic. Debugging tips are also offered to help understand the logic. The tutorial aims to build foundational skills in programming logic and problem-solving.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of the method 'sum up to north' as described in the text?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how the sum of numbers from 1 to a given number is calculated using a for loop.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of initializing the sum variable to 0?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the process of calculating the sum of divisors for a given number.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What changes need to be made to the code to exclude the number itself when calculating the sum of divisors?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the program determine if a number is a divisor of another number?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

In the context of the video, what does the term 'sum of divisors' refer to?

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