我的改变,拜您所赐。

摘要： //192.168.0.1 正则String regex = "((?:(?:25[0-5]|2[0-4]\\d|((1\\d{2})|([1-9]?\\d)))\\.){3}(?:25[0-5]|2[0-4]\\d|((1\\d{2})|([1-9]?\\d))))";//192.168.0.*正 阅读全文

摘要： /** * 目标类接口 * @author Administrator */ public interface UserService { public void pay(); } public class UserServiceImpl implements UserService { @Override public void pay() { S... 阅读全文

摘要： package com.tedu.jt.filter; import java.io.IOException; import java.util.Map; import javax.servlet.Filter; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.... 阅读全文

摘要： /** * 二分查找法 */ public static void dichotomySort(int[] a,int b){ Arrays.sort(a); System.out.println(Arrays.toString(a)); int c = 0; int d = a.length-1; while(d>=c){ int f = (c+d)/2; ... 阅读全文

摘要： package File; import java.io.File; import java.io.FilenameFilter; public class FileNameSelector implements FilenameFilter { String extension = "."; public FileNameSelector(String fileExten... 阅读全文

摘要： System.out.println("文件："); String s = new Scanner(System.in).nextLine(); File file = new File(s); if(! file.isFile()) { System.out.println("不是文件"); return; } System.out.print("KEY："... 阅读全文

摘要： 1 @Test 2 public void loadImage() throws IOException{ 3 String url = "https://3w.huanqiu.com/a/a-XDI128434DD0215D7A70F8?agt=8/"; 4 Connection con = Jsoup.connect(url); 5 Document document = con.... 阅读全文