Bubble Sort attempt#1

BubbleSort.java

import java.util.Arrays;

public class BubbleSort {
	public static void main(String[] args){
		int[] numbers = {9, 2, 7, 4, 6};
		int[] sorted = sort(numbers);
		System.out.println(Arrays.toString(sorted));
	}

	public static int[] sort(int[] input){
		for(int i = 0; i < input.length-1; i++){
			int a = input[i];
			int b = input[i+1];
			if(a > b){
				input[i] = b;
				input[i+1] = a;
			}
		}
		return input;
	}
}