Created
November 17, 2014 16:39
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Bubble sort example
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| // Sample algorithm, lab 11: bubble sort | |
| // Josh Filstrup, GTA EECS Dept @ KU | |
| // November 17th, 2014 | |
| public class bubble { | |
| // A function to swap two elements of an array | |
| public static void swap(int[] xs, int i, int j) { | |
| // Create a temporary value so we don't lose | |
| // it when assigning to xs[i] in the next line. | |
| int tmp = xs[i]; | |
| xs[i] = xs[j]; | |
| xs[j] = tmp; | |
| } | |
| public static void bubbleSort(int[] xs) { | |
| boolean unsorted = true; | |
| // Keep looping until the array is sorted | |
| while(unsorted) { | |
| unsorted = false; | |
| for(int i = 0; i < xs.length-1; i++) { | |
| // If a number to the left is greater | |
| // than a number to the right, we will | |
| // mark the array as unsorted and swap values | |
| if(xs[i] > xs[i+1]) { | |
| unsorted = true; | |
| swap(xs,i,i+1); | |
| } | |
| } | |
| } | |
| } | |
| public static void main(String[] args) { | |
| // Create a sample array | |
| int[] xs = {1,3,2,4,5}; | |
| // Print the original array | |
| for(int i : xs) System.out.println(i); | |
| // Sort the array | |
| bubbleSort(xs); | |
| // Print the sorted version | |
| for(int i : xs) System.out.println(i); | |
| } | |
| } |
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