Introduction - If you have any usage issues, please Google them yourself
		 
public class BubbleSort{ 
static String printArray(int[] a){ 
String result=""  
for(int i=0 i<a.length i++) result+=a[i]+" "  
return result  
} 
static int[] bubbleSort(int[] a){ 
int t  
for(int i=0 i<a.length i++) 
{ 
for(int j=0 j<a.length-i-1 j++) 
//升序排列用大于,降序排列用小于,此处为降序排列。 
if(a[j]<a[j+1]) 
{t=a[j] a[j]=a[j+1] a[j+1]=t } 
} 
return a  
} 
public static void main(String args[]) 
{ 
int a[]={25,36,47,32,21,16}  
System.out.println("排序前的数组\n"+printArray(a))  
a=bubbleSort(a)  
System.out.println("排序后的数组\n"+printArray(a))  
} 
}