java debugger online

Problem Description:In an online running Java Web System, the task of running an FTP upload is timed, and one day it is found that the file has not been uploaded after it was generated normally.Preliminary analysis of the problem:1. View Log filesfound that this task only prints the log to start the FTP processing, but does not print the log that the FTP processing completes.From the code, the FTP upload pr

Always look forward to having an online eclipse website that wants to see a jar package that does not need to download this jar package locally and import Eclipse to see the source code of this jar. One day colleagues introduced a website www.grepcode.com really feel good, not only can see the source code of this jar, click on the association of class or method, according to outline click the relevant code, and Eclipse is very close. But now that Mave

Original address: http://javaz.cn/site/javaz/site_study/info/2015/22024.htmlProject Address:http://www.freeteam.cn/Online reporting 1. NBSP; forwarding declaration The user may transfer the declaration to others for processing, The system will record the turnover of this declaration Note: Only one declaration can be forwarded at the same time.Select the declaration to be forwarded and click on the "Transfer" button.Select the person

(Passwordfield_2.getpassword ()). Trim (); Try{dos.writeutf (phone); Dos.writeutf (password); } Catch(IOException E1) {e1.printstacktrace (); } } Else{javax.swing.JOptionPane.showMessageDialog (logindialog). This, "Input password is inconsistent ..."); System.out.println ("Input password is inconsistent ..."); Passwordfield_1.settext (""); Passwordfield_2.settext (""); } }Else{javax.swing.JOptionPane.showMessageDialog

from:http://chenjianjx.iteye.com/blog/1681681You find that your machine has a CPU usage of 100%, and it is found to be the result of your Java application, but which code in this application eats the performance?Here's a share from a colleague:1. Find out the thread that eats the performance first: Top-h-P PID, find the thread ID that consumes the most performance (leftmost column)2. Get the 16 binary representation of thread ID: printf ' 0x%x\n ' thr

(NewWindowadapter () {@Override Public voidwindowclosing (windowevent e) {disconnect (); System.exit (0); } }); SetVisible (true); //Create a form to call the connection server directlyConnect (); } Public voidConnect () {Try{s=NewSocket ("127.0.0.1", 8888); System.out.println ("Connected!"); DOS=NewDataOutputStream (S.getoutputstream ()); } Catch(unknownhostexception e) {e.printstacktrace (); } Catch(IOException e) {e.printstacktrace (); } } Public voidDisconnect (

Java Online Photo code The popularity of digital cameras (especially on phone phones) has led to their falling prices as much as their size has shrunk. It is now becoming harder to find, even without the camera's phone, and robotic devices are no exception. To access the camera Hardware, you need to add the list of licensed applications to your camera, as follows: This grants access to the camera servic

This example for you to share the Java Online Book Mall category module code for your reference, the specific contents are as follows Sql CREATE TABLE ' t_category ' ( ' CID ' char (m) not NULL, ' CNAME ' varchar ' default NULL, ' pid ' char (#) Default NULL, ' desc ' varchar DEFAULT null, ' by ' int (one) not null auto_increment, PRIMARY KEY (' CID '), UNIQUE KEY ' cname ' (' cname '), Key