Insertion Sort | Data Structures | Sorting Algorithm | Java

This video explains the working of Insertion Sort Algorithm using Java code.


Time complexity is missed in the video. Apologies.


In the best case, if the array is already sorted, it would be O(n). Because in each iteration, the element remains in the same position. Hence, it will be traversed only for "n times"


In the worst case, if the array is in descending order, it would be O(n^2). In each iteration, we will be moving backwards for "n times".



Following are covered in this video:

1. What is Insertion Sort ?
2. Working of Insertion Sort Algorithm.
3. Animated representation of working.
4. Sorted and Unsorted sub array

5. Picking the element from unsorted sub array.
6. Inserting the same into sorted sub array
7. Final sorted array.
8. Explanation with a piece of java code.
10. Run the java code to check the working of Insertion sort algorithm.




Github link:

https://github.com/Keerthana-Thiagaraj/Data-Structures/blob/master/src/SortingAlgo/InsertionSort.java



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