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InsertionSort.java

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package misc;

/**

* Steps:- Insertion sort algorithm builds the final sorted array one item at a

* time.

* Best Case:- n

* Average Case:- n^{2}

* Worst Case:- n^{2}

*

*/

public class InsertionSort {

public static int[] doInerstionSort(int[] input) {

int tmp = 0;

for (int i = 1; i < input.length; i++) {

for (int j = i; j > 0; j--) {

if (input[j] < input[j - 1]) {

tmp = input[j];

input[j] = input[j - 1];

input[j - 1] = tmp;

}

}

}

return input;

}

public static void main(String[] args) {

int[] arr = { 10, 34, 2, 56, 42 };

int[] result = doInerstionSort(arr);

for (int i : result) {

System.out.print(i + ", ");

}

}

}