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import java.util.Date;
import java.util.Random;
public class BubbleSort {
public static void main(String args[])
{
int len = 40;
Date date = new Date();
Random random = new Random(date.getSeconds());
int data[]=new int[len];
for(int i = 0; i < len; i++)
{
data[i]=(int)(random.nextFloat()*100+1);
}
System.out.println("Select sort:");
show(data);
bubbleSort(data);
show(data);
}
/*
* ðÅÝÅÅÐò
*/
private static void bubbleSort(int[] data)
{
int len=data.length;
for(int i=len; i>=1; i--)
{
for(int j=0; j<i-1 ; j++)
{
if(data[j+1]<data[j]){
int temp=data[j+1];
data[j+1]=data[j];
data[j]=temp;
}
}
}
}
private static void show(int[] data)
{
System.out.println("========================");
for(int i = 0; i < data.length; i++)
{
System.out.print(data[i] + " ");
}
System.out.println();
System.out.println("========================");
}
}


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Java SE ½Ó¿Ú¡¢³éÏóÀà

package demo;
interface Runner{
 int ID=1;
 void run();
 void fly();
}
abstract class AI implements Runner{
 public void run(){
  System.out.println("I am running");
 }
 public void bb(int x,int y){
  System.out.println((x+y));
 }
& ......

FlexºÍJava½»»¥µÄÂÒÂë½â¾ö·½°¸


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1.Flex¶Ë´«µ½Java¶Ë
 
Flex¶Ë:encodeURIComponent(comment.text)
ʹÓÃencodeURIComponent°Ñ²ÎÊýת»»Îª application/x-www ......

JavaÖÐʹÓÃBigDecimalʵÏÖ¾«È·ÉáÎåÈë¼°¹¤³ÌÔËËã

£¨×¢£ºÇ°ÃæдÁËÒ»¸ö³¬´óÕûÊýÏà¼ÓµÄÀ࣬²Î¼û£º ³¬´óÕûÊýÏà¼Ó£¬³¬¹ýÁËlongµÄ·¶Î§£¬ÄãÒªÔõô×ö£¡£¬ºóÀ´ÓÐÅóÓÑÆÀÂÛ˵BigDecimal¿ÉÒÔÍêȫʵÏÖÎÒµÄÕâÕâ¸ö¹¦ÄÜ£¬¸Õ¿ªÊ¼µÄʱºò£¬ÎÒ»¹²»·þÆø£¬¾ÝÎÒËùÖªÄÇÀïÓÐÕâÑùµÄÀàŶ£¬ºóÀ´±¨×Å˵·þËûµÄÐÄÀíÈ¥ÕÒÁËһϣ¬ºÇºÇ£¬½á¹û¾ÓÈ»×Ô¼º±»Ëµ·þÁË£¬È·ÊµÓÐÕâôһ»ØÊ£¬ÀûÓÃBigDecimal²Ù×÷³¬´óÕûÊýÒ ......

java GBת UTF 8×Ö·û

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class GB2UTF
{
 public static String GBK2Unicode(String str)
 {
  StringBuffer result = new StringBuffer();
  for (int i = 0; i < str.length(); i++)
 &n ......
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