Data Structures & Algorithms: The Evergreen Duo
Tags: programming, codenewbie, beginners, tutorial
Published: 2020-05-31 18:14:47

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Data Structures and Algorithms are indispensable when we talk about programming and the paradigm. Data Structures form the foundational basis for building complex software and programs. thus, a good knowledge of the same is essential to understand the intricacies that a programming language or framework offers.

Algorithmic knowledge combined with a good understanding of the implementation of Data Structures is a perfect blend for anyone who aspires to work in the IT sector. Today, with the increasing dynamics, we see a new language/technology/framework coming up. And it is difficult to keep up with everything that is being invented. However, what remains the same are the programming paradigms, data structures, and the algorithms involved. 

All said and done, I guess, I have laid enough emphasis on the importance of Data Structures & Algorithms. Now, the real catch lies in learning to implement these Data Structures and Algorithms to real-life use cases. Eventually, we aim to solve real-world problems by employing the characteristics that a DS possesses. Thus, learning the concept, the implementation and ability to link that conceptual understanding to real-world scenarios is the ultimate goal behind every software engineer's work, if not directly then eventually!

Data Types can be broadly classified into two categories:

 **1. Abstract/Primitive Data Types**
 **2. Derived/User-Defined Data Types**

Now the Primitive data types mainly involve the basic types like `int, float, double, char, long`, etc.
But, the Derived data types are classified into a multitude of structures and these are the ones that form the basis for developing complex architectures.

![Derived Data Types](data:image/png;base64,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)

But amidst the overwhelming nature od Data Structures, we cannot neglect the equal importance that Algorithms entail. We have multiple algorithms and paradigms in general, which are:

 1. Greedy Algorithm
 2. Dynamic Programming
 3. Divide & Conquer Algorithm
 4. Branch and Bound Algorithm
 5. Backtracking
 6. Brute-Force Algorithm

![Types of Algorithms](https://cdn.educba.com/academy/wp-content/uploads/2019/05/types-of-algorithm.png)

Now, apart from these basic algorithms, we also have the Searching Algos, Sorting Algos and domain-specific ML Algorithms(Which are out of the scope of this article)

**Searching Algorithms:**

 - Linear Search - O(n)
 - Binary Search - O(log n)

**Sorting Algorithms**

 - Selection Sort
 - Insertion Sort
 - Bubble Sort
 - Merge Sort
 - Quick Sort
 - Heap Sort
 - Radix Sort
 - Bucket Sort
And the list is eternal, these were just "some of the many" algorithms that we have!

----

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In this course, you will be able to:

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-   Practice dozens of different challenges.
-   Use Javascript to solve challenging algorithms.
-   Clear, well-diagramed explanations for every single problem to make sure you  **understand** the solution
-   An overview of the  **most important data structures**  to know about. These are presented for people _without_ a CS degree.
-   A  **huge collection**  of common algorithm questions, including everything from 'reversing a string' to 'determine the width of a BST'
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You may be new to Data Structure or you have already Studied and Implemented Data Structures but still, you feel you need to learn more about Data Structure in detail so that it helps you solve challenging problems and used Data Structure efficiently.


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## 3.  [Data Structures and Algorithms: Deep Dive Using Java](https://coursesity.com/course-detail/data-structures-and-algorithms-deep-dive-using-java)

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In this course, you will :

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**Section 1:**
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**Section 2:**
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**Section 3:**
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-   related interview questions
    

**Section 4:**
-   what are binary search trees
-   practical applications of binary search trees
    
**Section 5:**
-   problems with binary trees    
-   balanced trees: AVL trees and red-black trees

**Section 6:**
-   what are heaps    
-   heapsort algorithm
    
**Section 7:**
-   associative arrays and dictionaries    
-   how to achieve O(1) constant running time with hashing    
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**Section 8:**
-   basic graph algorithms    
-   breadth-first and depth-first search
    
**Section 9:**
-   shortest path algorithms    
-   Dijkstra's algorithm    
-   Bellman-Ford algorithm

**Section 10:**
-   what are spanning trees    
-   Kruskal algorithm
    
**Section 11:**
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-   bubble sort, selection sort, and insertion sort    
-   quicksort and merge sort    
-   non-comparison based sorting algorithms
-   counting sort and radix sort
   

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-   Reason for applicability and usability of Data Structures.

You can take Data Structures and Algorithms - The Complete Masterclass Certificate Course on  Udemy.

----


Glad to see, that you have made it till the end. If this article added some value to your learning or if you liked it then like, upvote and share it in your network. In case you want to explore more, you can take the [Free Data Structures & Algorithms Courses](https://coursesity.com/free-tutorials-learn/data-structure-algorithm)
In case you liked this article, you can also visit the following posts of mine;

-  _[Best Docker Courses for Productive Quarantine!](https://dev.to/coursesity/best-docker-courses-for-productive-quarantine-385n)_
-   _[Git & Github: Introduction to Version Control](https://dev.to/coursesity/git-an-intro-to-version-control-p06)_


Also, I would love to hear any feedback and review from you. Please tell me what you liked in the comment section below. Happy Learning!✨