冒泡排序

public class Test {
//将数组arr按照从小到大排列
public static void main(String[] args) {
int[] arr = {2,6,5,8,7,1,58,4,6,9};
//冒泡排序：相邻两个数字比较
for(int j=0;j<=arr.length-1;j++){
for(int i=0;i<arr.length-1-j;i++){
if(arr[i]>arr[i+1]) {
int temp = arr[i];
arr[i] = arr[i+1];
arr[i+1] = temp;
}
}
}

}