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Java Data Structures & Algorithms: Ace Coding Interviews! (Udemy.com)

Data Structures and Algorithms in Java | Leetcode Java DSA | Animated Explanation | DSA Real World Use Cases in Java

Created by: Ahmed Elsakka

Last updated April 2025

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What you will learn

  • Understand Data Structures and Algorithms & How to Implement and Use them in Java
  • Understand Big O Notation and How to Calculate Space & Time Complexities
  • Improve your Problem Solving Skills
  • Enhance your Programming Skills
  • Leetcode Challenges with Video Solutions
  • Understand How to Decide When to Use a Specific Algorithm or Data Structure for Different Use Cases
  • Ace Coding Interviews

How it compares

Against the other 518 rated Udemy courses in Software Development on CourseDuck:

  • Rating4.4 out of 5higher than 28% of them
  • Reviews163#369 of 519 by number of reviews
  • Length11.7 hourslonger than 74% of them
  • Last updatedApril 2025earlier than 57% of them

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Course Description

Welcome to the Data Structures and Algorithms in Java Course!


Are you a Java programmer who wants to write efficient code and improve your programming and problem solving skills ?

Do you have an upcoming coding interview and you want to ace it with confidence ?


If the answer is yes, then this course is the right choice for you!

In this course you will learn everything about Data Structures and Algorithms and how to implement and use them in Java.

The concepts are explained with animations which makes it much more easier to understand and memorize.


You will also apply your knowledge throughout the course via coding exercises, real world use cases and Leetcode coding challenges with video solutions.



The course covers the following topics:


General

  • Why Should You Learn Data Structures and Algorithms ?

  • What are Data Structures ?

  • What are Algorithms ?


Big O Notation

  • Linear Complexity - O(n)

  • Constant Complexity - O(1)

  • Quadratic Complexity - O(n^2)

  • Logarithmic Complexity - O(logn)

  • Constants in Big O

  • Dominant and Non-Dominant Factors in Big O

  • Complexities Comparison


Data Structures

  • Linked Lists

  • Doubly Linked Lists

  • Stacks

  • Queues

  • Sets

  • Trees

  • Tries

  • Heaps

  • Hash Tables

  • Graphs


Algorithms

  • Linear Search

  • Binary Search

  • Bubble Sort

  • Insertion Sort

  • Selection Sort

  • Merge Sort

  • Recursion

  • Tree Traversal

  • Graph Traversal


I'm confident that you will enjoy this course, but if you for some reason are not happy with the course it's backed by Udemy's 30 day money back guarantee, so nothing to lose!

I'm excited to see you in the course, hit that enroll button and start your mastering Data Structures & Algorithms journey :)


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Instructor Details

Ahmed Elsakka

Software Engineer with experience in Embedded Systems Software Development and Full Stack Web Development.
Very passionate about learning, teaching, writing clean and optimized code, and technical topics like data structures, algorithms and cloud computing.

Currently I work as a full stack software engineer, before that I was working as an embedded software engineer in the automotive industry.

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Reviews

4.4

163 ratings on Udemy

Select a bar to show only those reviews.Select the bar again to show every rating.

By Anjaneya chary on 7/16/2026

I loved the course

By Soumya Ranjan Prusty on 5/20/2025

Helping a much in a lot of way

By M B A R D Siva Kumar on 5/12/2025

yes.It's very intersting course to learn

By Peter Daniel on 3/30/2025

The instructor make is very simple and easy, also those real life implementation is just too good, kudos to the instructor and udemy for making it readily available

By Lokesh M C on 3/2/2025

Simple explanation makes me to boost to learn.

By Sunidhi on 1/7/2025

good but not very good for begineer

By Easwari S on 12/21/2024

Your English is so straightforward that it is easy to understand.

By Joshua Ntayibu on 11/10/2024

Taking this course is one the good thing I have done to myself. It is both good for beginners and experienced developers. Many thanks to the instructor.

By Jayaram Hariharan on 11/8/2024

Well the course was good. A very informative one. Thankyou Udemy for this wonderful course.

By Chetan Pawar on 4/3/2024

I think over all content of the course is good and this course is helpful for me.

Showing all 10 reviews on CourseDuck

Read all 163 reviews on Udemy

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Quality Score

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Overall Score : 88 / 100