bubble sort in java

/**
 * @author lautturi.com
 * Java example: sorting an array using bubble sort in java
 */

import java.util.*;
import java.time.*;

public class Lautturi {
	static void bubbleSort(int[] arr) {
		int n = arr.length;
		int temp = 0;
		for (int i = 0; i < n; i++) {
			for (int j = 1; j < (n - i); j++) {
				if (arr[j - 1] > arr[j]) {
					// swap elements
					temp = arr[j - 1];
					arr[j - 1] = arr[j];
					arr[j] = temp;
				}

			}
		}
	}

	public static void main(String[] args) {
		int[] intArray = { 1, 4, 2, 7, 5, 16, 12, 8, 13, 28 };
		System.out.println("Array before sorting:");
		System.out.println(Arrays.toString(intArray));
		System.out.println("Array after bubble Sort:");
		bubbleSort(intArray);
		System.out.println(Arrays.toString(intArray));
	}
}

output:

Array before sorting:
[1, 4, 2, 7, 5, 16, 12, 8, 13, 28]
Array after bubble Sort:
[1, 2, 4, 5, 7, 8, 12, 13, 16, 28]