Learn Java from Scratch - A Beginner's Guide - Step 11 - List and ArrayList - Sorting - Implementing Comparable Interfac

Learn Java from Scratch - A Beginner's Guide - Step 11 - List and ArrayList - Sorting - Implementing Comparable Interfac

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial addresses a compilation error encountered in a previous step and demonstrates how to implement the Comparable interface in a Student class. It explains the use of Integer.compare for sorting students by their IDs in ascending order and how to reverse the sort order. The tutorial concludes with a summary of the steps taken to implement the Comparable interface and sort students based on custom criteria.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of implementing the Comparable interface in the Student class?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you compare two Student objects based on their IDs?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the integer.compare method return when comparing two IDs?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how to reverse the sorting order of Student IDs.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What did you learn about the Comparable interface implementation in this step?

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