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| public class BubbleSort {
public static void main(String[] args) {
int[] arr = {3,5,4,1,2};
printArray(arr);
bubbleSort(arr);
printArray(arr);
}
private static void bubbleSort(int[] arr) {
bubbleSort(arr, arr.length-1);
}
private static void bubbleSort(int[] arr, int last) {
if (last > 0) {
for (int i = 1; i <= last; i++) {
if (arr[i-1] > arr[i]) {
swap(arr, i-1, i);
}
}
bubbleSort(arr, last - 1);
}
}
private static void swap(int[] arr, int source, int target) {
int tmp = arr[source];
arr[source] = arr[target];
arr[target] = tmp;
}
private static void printArray(int[] arr) {
for (int data : arr) {
System.out.print(data + ", ");
}
System.out.println();
}
}
|
