JAVA 冒泡排序代码

int[] a = {2,5,3,6,3,2,4,4,8,9,3,2};
for(int z: a)
{
for(int i=0;i<a.length-1;i++)
{
if(a[i]<a[i+1])
{
int A=a[i];
a[i]=a[i+1];
a[i+1]=A;
}
}
}
for(int b:a)
{
System.out.println(b);
}