冒泡排序 package studyjava;public class maopao {    public static void main(String[] args)    {        int[] a={3,6,2,8,54,1,34};        sort(a);        for(int i=0;i
     
      a[i+1])                {                    temp=a[i+1];                    a[i+1]=a[i];                    a[i]=temp;                }            }        }    }}
     

 JAVA实现字符串反转

package studyjava;public class maopao {	public static void main(String[] args)	{		String str="I love java";		StringBuffer sb=reverse(str);		System.out.print(sb.toString());	}	 public static StringBuffer reverse(String s) {		String[] str= s.split(" ");		StringBuffer sb=new StringBuffer();		for(int i=str.length-1;i>=0;i--)		{		 sb.append(str[i]);		 sb.append(" ");		}		return sb;	 }}