冒泡排序

//从小到大排列

public class TestMaoPao {

public void testMaoPao(){int arr[] = {-3,6,0,9,4};for(int i=1;i<arr.length;i++){for(int j=0;j<arr.length-i;j++){if(arr[j]>arr[j+1]){int mn;mn=arr[j];arr[j]=arr[j+1];arr[j+1]=mn;}}}for(int i=0;i<arr.length;i++){System.out.print(" "+arr[i]+" ");}}public static void main(String[] args) { TestMaoPao  st =new TestMaoPao(); st.testMaoPao();}}