57 lines
1.7 KiB
Plaintext
57 lines
1.7 KiB
Plaintext
package sorts;
|
|
/**
|
|
* This is my implementation of an insertion sort.
|
|
*
|
|
* I decided to do this when i didn't feel comfortable enough about implementing
|
|
* different types of sorts, so this is my trial and error to try and get myself to implement
|
|
* the various sorts correctly.
|
|
*
|
|
* @author Kody C. Kendall
|
|
*
|
|
*/
|
|
public class InsertionSort {
|
|
|
|
|
|
public int[] insertionIntArraySort(int[] initialArray){
|
|
|
|
int[] sortedArray = new int[initialArray.length];
|
|
|
|
//Marking first element as sorted.
|
|
sortedArray[0] = initialArray[0];
|
|
|
|
//For each element in the initialArray
|
|
for (int index = 1; index < initialArray.length; index++){
|
|
|
|
//Finding the last index that was sorted
|
|
int lastSortedIndex = index;
|
|
|
|
//Extracting the next element to be compared w/ other sorted elements from initial array
|
|
int extractedElement = initialArray[index];
|
|
|
|
//Compare the values of the sorted index to the current extractedElement
|
|
for (lastSortedIndex = index; lastSortedIndex > 0; lastSortedIndex--){
|
|
|
|
//If our extracted element is smaller than element to the right, switch them.
|
|
if (sortedArray[lastSortedIndex-1] > extractedElement){
|
|
//move the element to the left of extractedElement to the right in sortedArray
|
|
sortedArray[lastSortedIndex] = sortedArray[lastSortedIndex-1];
|
|
//And move the current extractedElement to the left one (since it's smaller).
|
|
sortedArray[lastSortedIndex-1] = extractedElement;
|
|
}
|
|
else{
|
|
//insert element where it is.
|
|
sortedArray[lastSortedIndex] = extractedElement;
|
|
//Terminating loop since element is in the right spot.
|
|
break;
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return sortedArray;
|
|
|
|
}
|
|
|
|
}
|