I have the following code: public class boolq { public static void main(String[] args) { boolean isTrue = true; isTrue ? System.out.println("true"): System.out.println("false"); } } when I try to compile it i get this: Exception in thread "main" java.lang.Error: Unresolved compilation problems: ...
How do I get the current date in Java? In C# it is DateTime.Now. ...
I have learned that the best way to learn a language is by finding a good project to start on, and working out how you would create it. I've been programming for 4 years as a hobby, and it's only been in PHP, so I decided that I should learn a "real" programming language. I have tried C++ in the past, however I was never able to find a p...
Is there a shortcut in netbeans to highlight a block of code and comment/uncomment it? ...
Hi, I am looking for a Java regexp lib with support for recursion, like: "<a+(?0)>" JDK does not support it, ORO does neither. Anyone knows about such? Thanks, Ondra Edit: See http://www.php.net/manual/en/regexp.reference.recursive.php And I need it for this expression: (?:mUi)^/--++ *+(.*)(?: *(?<= |^)\\.((?:\\([^)\\n]+\\)|\\[[...
how to debug/step through a simple java 'main' application using netbean? I want to set breakpoints and analyze the value of variables etc. ...
i thinking of doing this architecture genericdao +interface ---> servicelayer+interface---> view layer my dao will only have generic methods, my service layers will have real logic for instance service layer method string executeThis= "select c from com.abc.test.User where username =:username"; Map tempMap = new HashMap(); tempMap...
i have a java program connect to server through xot protocol. My lib i use can handle connect timeout, but there is no method like setSoTimeout() to handle timeout when send & recv data. so, anyone could suggest me some solution for this problem. thanks Quan ...
I have a string that looks like: http://www.example.com/index.do/blah/1_44/asdf/asdf/asdf http://www.example.com/index.do/blah/1_44_2342/asdf/asdf/asdf I need to grab the value 44 from the above, ofcourse '44' could be any number. The number '44' always is prefixed with a _, and after it could be another _ or /. I have no idea of the...
I am trying to match any or all from a set of phrases in a given string. Here is my regex: (^|\\W)(" + phrase1 + "|" + phrase2 + "|" + phrase3 + ... ")(\\W|$) I need to be able to match any number of the phrases I am ORing. It seems to work okay except when two phrases occur immediately next to each other. So "phrase1 lorem ipsum phra...
I want the entire HTML for a given HtmlPage object. What property should I use? ...
The following code sample is an implementation of the Strategy pattern copied from Wikipedia. My full question follows it... The Wiki's main method: //StrategyExample test application class StrategyExample { public static void main(String[] args) { Context context; // Three contexts following different strategie...
I'm looking to record keystrokes and mouse positions while I'm in a browser window on various websites, but I'm not sure how to do this outside the SWING (or some other GUI) window. How can I record keystrokes when a different application's window is the one active? ...
I'm having a weird problem with TreeSet (sortedNodes) and ArrayList (nodes). In my program, I have in a method called from Event Dispatch Thread (from ActionListener) these lines: System.out.println("nodes: "+nodes.size()); sortedNodes.addAll(nodes); System.out.println("sortedNodes: "+sortedNodes.size()); Probl...
How can I have each call to save commit to the database? I don't want to, at each interation of a loop that I am in, to call commit and then restart the transaction. for my application, just having a commit at each session.save is fine. ...
So I am using HtmlUnit, and the method's signature looks like: public HtmlAnchor getAnchorByText(String text) throws ElementNotFoundException So this means, the call to this method won't just return null, but it will throw an exception. (I find this a pain!!, in c# methods usually just return a null if not ...
I've been having a (ironic) play around with the Play Framework and have been impressed thus far. I was just curious as to what other Java frameworks are out there that have a similar feature to Play in that you are able to get immediate feedback when making changes to your code base without having to re-build or re-deploy your app? ...
I am using hibernate, and my classes property is a string, and my mapping doesn't have any type information, ie: <property name="html" /> I am storing a web page in the html database column, and for some reason the entire page isn't saving, it gets cut off part way. I outputed the value of the property to console and it does outpu...
How do you return a JSON object form a Java servlet. Previously when doing AJAX with a servlet I have returned a string. Is there a JSON object type that needs to be used, or do you just return a String that looks like a JSON object e.g. String objectToReturn = "{ key1 = value1, key2 = value2 }"; ...
I want to make Restful - Web Service using netbean 6.5, glassfish V 2 , and i already make table and the relationship between table. But when i want to test restful Webservice, some table it show HTTP Status 500 - type Exception report message descriptionThe server encountered an internal error () that prevented it from fulfilling t...