java »ñÈ¡ÍøÒ³ÄÚÈÝ
package test;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.Authenticator;
import java.net.HttpURLConnection;
import java.net.PasswordAuthentication;
import java.net.URL;
import java.net.URLConnection;
import java.util.Properties;
public class URLTest {
// Ò»¸öpublic·½·¨£¬·µ»Ø×Ö·û´®£¬´íÎóÔò·µ»Ø"error open url"
public static String getContent(String strUrl) {
try {
URL url = new URL(strUrl);
BufferedReader br = new BufferedReader(new InputStreamReader(url
.openStream()));
String s = "";
StringBuffer sb = new StringBuffer("");
while ((s = br.readLine()) != null) {
sb.append(s + "\r\n");
}
br.close();
return sb.toString();
} catch (Exception e) {
return "error open url:" + strUrl;
}
}
public static void initProxy(String host, int port, final String username,
final String password) {
Authenticator.setDefault(new Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(username,
new String(password).toCharArray());
}
});
System.setProperty("http.proxyType", "4");
System.setProperty("http.proxyPort", Integer.toString(port));
System.setProperty("http.proxyHost", host);
System.setProperty("http.proxySet", "true");
}
public static void main(String[] args) th
Ïà¹ØÎĵµ£º
Ò»£¬Ï̵߳ÄËĸöÖ÷ÒªÖÜÆÚ״̬ÊÇ“´´½¨”£¬“¿ÉÖ´ÐД£¬“·Ç¿ÉÖ´ÐД£¬“ÏûÍö”£¬×´Ì¬×ª»»¹ØÏµÈçÏÂͼ£º
£¨1£©´´½¨¡£µ±ÊµÀý»¯Ò»¸öthread¶ÔÏó²¢Ö´ÐÐstart()·½·¨ºó£¬Ï߳̽øÈë“¿ÉÖ´ÐД״̬¿ªÊ¼Ö´ÐС£ËäÈ»¶àÏ̸߳øÓû§Ò»ÖÖͬʱִÐеļÙÏ󣬵«ÊÂʵÉÏÔÚͬһʱ¼äµãÄÚ£¬Ö»ÓÐÒ»¸ö ......
תÌûhttp://zmfkplj.javaeye.com/blog/629678
ÔÚ³õѧjava swingʱ±ãÓõÄÊÇJbuilder£¬±ã½ÝµÄ¹¤¾ßϲúÉúµÄ½á¹ûÓÐÁ½¸ö£¬Ò»ºÃÒ»»µ¡£ºÃµÄ·½ÃæÊÇ̫ˬÁË£¬½ö½öÊó±êµã»÷£¬Êó±êÒÆ¶¯£¬±ã»á²ú³ö²»ÓÃÀí½âµÄ´úÂ룬¶øÕâЩ´úÂëÕÕÑùÄÜÔËÐУ¬Íê³ÉËùÐèÒªµÄ¹¦ÄÜ£»»µµÄ·½ÃæÊÇÌ«ÔãÁË£¬µ±À뿪Jbuilder¹¤¾ß¿ª·¢swingʱ£¬ËùÓеķ½ÃæÍ¨Í¨Ã»ÓУ¬ËùÓе ......
public static void main(String[] args) throws ParseException {
String str = "yyyy-MM-dd 00:00:00.0";
String str1 = str.substring(0, 10);
/*
* ½«yyyy-1-1ת»»³Éyyyy-01-01
*/
SimpleDateFormat sdf = new SimpleDateForma ......
Ê×ÏÈ´ÓÒ»µÀÃæÊÔÌâĿ̸Æð:
package pkg1;
public class Jupiter
{
void method1(){
System.out.println("In Jupiter");
}
public void call(){
method1();
}
}
package pkg2;
import pkg1.Jupiter;
public class Minerva extends Jupiter{
public void method1(){
......
ÔڲμÓJavaÅàѵµÚÒ»Ììºó£¬×Ô¼ººÜÓиÐÏ룬ÔÒòÆäʵҲºÜ¼òµ¥¡£±¾ÈËרҵÊÇÈí¼þ¹¤³Ì£¬ÏÖÔÚÒѾ´óÈýÁË£¬ÎªÁË×Ô¼ºÒÔºó¸üºÃµÄ¾ÍÒµ£¬²Î¼ÓÁËÕâ¸öΪÆÚËĸöÔµÄJavaÅàѵ°à£¬µ«ÊÇÔÚÕâ¸öÈËÊýΪ60ÉÏϵİàÖУ¬Ö»ÓÐ5¸öÈËÊǼÆËã»úרҵµÄ£¨°üÀ¨±¾ÈË×Ô¼º£©¡£ÆäÓàµÄѧÉúÊÇÊýÀíϵµÄ¡£
......