xiaofang3a的专栏

public class BubbleSort {//Java冒泡排序 public void Bubble(Integer data[]) { for(int i=0;i<data.length-1;i++) for(int j=0;j<data.length-1-i;j++) if(data[j]>data[j+1]) { int tmp=data[j]

package Factorial; public class Factorial { public static long fac(long n) { if(n==1||n==0) return 1; else return n*fac(n-1); } public static void main(String[] args) { System.out.println(f