멋진꿈과함께하는 프로그래밍 그리고 사는이야기

package com.mindmap.app; import java.util.regex.Pattern; import com.mindmap.common.singleTon; public class main { public static void main(String[] args) { String str = "456ASDF456ASDF"; // TRUE String str = "ㄱ456ASDF456ASDF"; // TRUE String regex = "^[a-zA-Z0-9]*$"; boolean bin = Pattern.matches(regex, str); System.out.println(bin); } }

만약 속도에 민감한 프로그램을 작성한다면 DCL(Double Checking Locking) Pattern 관련된글을 검색해보고 결정하기를 추천한다. package com.mindmap.common; public class singleTon { private static singleTon instance; private singleTon(){} public static synchronized singleTon getInstance() { if(instance==null) { instance = new singleTon(); return instance; } return instance; } } DCL 예제 package com.mindmap.app; import java.util.regex.Pattern..

package main.java.com; import java.util.ArrayList; import java.util.Collections; import java.util.Enumeration; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.TreeSet; import java.util.Vector; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; public class job { private static Log logger = LogFactory.getLog(job.class)..

http페이지를 로딩하여 string 으로 리턴하는 것을짜집기(?)해보았습니다. import java.io.BufferedReader; import java.io.InputStream; import java.io.InputStreamReader; import java.io.ObjectInputStream; import java.net.*; public class main { public static void main(String[] args) { try { laodPage load = new laodPage(); String text = load.laodPage("http://www.naver.co.kr"); System.out.println(text); } catch(Exception e) { Syst..