![Implementing Insertion Sort Algorithm in Java Program Implementing Insertion Sort Algorithm in Java Program](https://code2care.org/java-programs/implement-insertion-sort-algorithm-java-program/images/Implementing Insertion Sort Algorithm in Java Program.jpg)
package org.code2care.java.sorting.algo;
import java.util.Arrays;
public class InsertionSortJavaExample {
public static void main(String[] args) {
//Unsorted Array
int[] unsortedArray = {4, 99, 2, 11, 34, 67, 54, 12, 45, 245, 234, 12, 200};
InsertionSortJavaExample insertionSort = new InsertionSortJavaExample();
int[] sortedArray = insertionSort.insertionSortAlgorithm(unsortedArray);
System.out.println(Arrays.toString(sortedArray));
}
public int[] insertionSortAlgorithm(int[] arrayOfNumbers) {
int arrayLength = arrayOfNumbers.length;
for (int i = 1; i < arrayLength; i++) {
int key = arrayOfNumbers[i];
int j = i - 1;
while (j >= 0 && arrayOfNumbers[j] > key) {
arrayOfNumbers[j + 1] = arrayOfNumbers[j];
j--;
}
arrayOfNumbers[j + 1] = key;
}
return arrayOfNumbers;
}
}
Output:
Time Complexity | |||||
---|---|---|---|---|---|
Best Case | Average Case | Worst Case | Space Complexity | ||
Selection Sort | O(n) | O(n^2) | O(n^2) | O(1) |
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Rakesh (He/Him) has over 14+ years of experience in Web and Application development. He is the author of insightful How-To articles for Code2care.
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