IntelliJ 15 Works Slow and eats 1GB of RAM - java

I just have installed intelliJ IDEA 15 but it's somehow laggy and uses a lot of RAM. Sometimes more than 1GB on my 4GB-RAM laptop.
Are previous versions of intelliJ better in performance?
How can i make it faster?
And another problem I have is with Auto completion and correction.
Where are these two settings? Cause it doesn't seem as good as Eclipse.

Usually if you have performance problems, the first place I would advice is to look at the plugins which are activated, perhaps you don't need those plugins.
File -> Settings -> Plugins
Secondly, intelliJ indexes your files so that all its wonderful searches and short cuts, so, if you have a huge project, the first indexing will take some time.
For tips on auto-completion etc. Take a look at the official docs.
https://www.jetbrains.com/idea/help/auto-completing-code.html
Extra Tips
When I started using IntelliJ, I found lot of videos on youtube about how to use it, these tips have helped me get more productive. I don't want to start a debate on Eclipse vs IntelliJ vs Netbeans etc., but each IDE has a vision and a way it was intended to be used, so moving from one to another does need a ramp up time.

Related

Using Different IDEs in the same development team

I'm about to join a new (Java) development team and a thought came to mind - do they use Eclipse?
I have been working with Eclipse for the past 6 years and don't see myself switching to another IDE if the team is using that IDE (e.g. IntelliJ).
Is it a problem to use different IDEs in the same development team?
Yes. It's a problem.
As a 3-decade contractor -- having been to a new client (on average) every 6 months -- I have some advice.
Get over it.
Seriously. Whatever they're using is fine, really. Use it. Learn it.
Why?
A) You'll know more IDE's, be more valuable, and more skilled.
B) You can share knowledge more easily.
C) The point is not the tools. The point is the product.
It's not a problem technically. It's more a factor of time and using the same tools as your development team. You'll have to create a different set of configuration artifacts (like .project and .classpath) to check in and maintain. It could range from easy to hard, depending on how their project(s) are setup. You should also consider that it'll be harder to get support and give support inside your team.
I work at a company where we recommend using IntelliJ, but some people use Eclipse. It's not really a big issue to be honest. It depends on how the company structures the code.
Just as a sidenote: I used to use eclipse, but since I started using IntelliJ, I'm never going back. It's just so much nicer to work with. Once you get the hang of all the shortcuts, I can honestly say that intellij is better for me in terms of productivity. YYou can get used to it within a month.
Is it a problem to use different IDEs in the same development team?
It depends on the team, but the answer is often yes.
If the team norm is to use Eclipse and you insist on using IntelliJ, you could get a reputation for being "difficult" ... especially if the team culture is not to innovate.
You are likely to cop the blame if this causes issues / inconsistencies; e.g. it results in code style issues, different compilation warnings. Indeed, you may cop the blame for problems that are not caused by Eclipse versus IntelliJ issues ... when someone else says that they are. (Not fair, but life is like that.)
On certain projects there can be issues with availability of plugins, and so on. By using Intellij, you could have problems right now, or you could restrict the ability of the project as a whole to use new tools. (I'm thinking of things like Eclipse EMF, ESC2Java and so on.)

Can I develop for Greenfoot using Intellij Idea?

I'm taking a Java course where I have to do some development for Greenfoot. I'm very accustomed to using vim for development in C / C++ and so have been using Intellij Idea with a vim plugin.
I despise the Greenfoot IDE.
Is it possible to use Intellij to develop for Greenfoot?
As you've found already you can add libraries and mess around to get some bits working, but it's not officially supported (so might change from release to release or break) and most likely never will be. It's more by accident than design that it works at all this way.
I've often wanted to use a professional IDE for doing Greenfoot work myself, but the simple answer is that Greenfoot is primarily focused for beginners, for a fun and interactive way of teaching Java to people who have never programmed previously. The developers could potentially focus their time in providing official support for coding in other IDE's, but the amount of work required means it's pretty much been decided it's not worth doing.
If you haven't noticed already, Greenfoot 2 is now out with a much improved editor that supports basic code completion and intelli-sense. It's still of course nowhere near the IntelliJ editor, nor will it ever be, but it certainly makes developing in it more tolerable if you're used to something more advanced.
I use IntelliJ and I do not think it would be supported, but I am not certain.
This site has a similar question
I was able to go into the Project Structure, dependencies tab, select add module library and do attach classes selecting the /lib/greenfoot/standalone directory. This allows me to compile the balloons scenario cleanly. However, to actually run the scenario's you still have to use the Greenfoot environment due to all the games it plays behind the scenes.
This link is about Greenfoot in Eclipse, but the steps also seem to work with IntelliJ.
Basically you add bluejcore.jar and greenfoot.jar (found in your installation directory of Greenfoot) as your project libraries and create a properties file (details in the link) for Greenfoot. Finally select GreenfootScenarioMain as main class, this allows you to launch Greenfoot programs from within IntelliJ.

Can I configure code_swarm to only create the png files sans visual display?

Is there a way to configure code_swarm to only create the .png files. I think it would speed up the processing if it wasn't trying to display as it created the images.
I've looked in the FAQ, but didn't notice anything about that in particular.
You're right, it probably would speed things up, though I suspect not by as much as you might hope. There's an open issue about this in the official issue tracker: http://code.google.com/p/codeswarm/issues/detail?id=37
To summarize: last time I checked, Processing.org – the library we use for drawing – doesn't support running in headless mode. A couple of people have looked into doing it without much luck. If your only concern is performance, I wouldn't worry about this. If it's running too slow, might I suggest my own fork of the project, it's remarkably faster (yes, I do intend on integrating it back into the main svn repo sometime): http://github.com/rictic/code_swarm/

Is Eclipse the best IDE for Java? [closed]

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Closed 11 years ago.
Is Eclipse the best IDE for Java?
If not, is there something better?
I want to know and possibly try it out. Thanks.
Let me just start out by saying that Eclipse is a fantastic IDE for Java and many other languages. Its plugin architecture and its extensibility are hard to rival and the fact that it's free is a huge plus for smaller teams or tight budgets.
A few things that I hate about Eclipse.
The documentation is really lacking. I don't know who writes the stuff, but if it's not just flatly missing, it's incomplete. If it's not incomplete, then it's just flat out wrong. I have wasted many precious hours trying to use a given feature in Eclipse by walking through its documentation only to discover that it was all trash to begin with.
Despite the size of the project, I have found the community to be very lacking and/or confusing enough to be hard to participate in. I have tried several times to get help on a particular subject or plugin only to be sent to 3 or 4 different newsgroups who all point to the other newsgroup or just plain don't respond. This can be very frustrating, as much smaller open source products that I use are really good about answering questions I have. Perhaps it's simply a function of the size of the community.
If you need functionality beyond the bundled functionality of one of their distros (for instance, the Eclipse for Java EE Developers distro which bundles things like the WTP), I have found the installation process for extra plugins excruciatingly painful. I don't know why they can't make that process simpler (or maybe I'm just spoiled on my Mac at home and don't know how bad it really is out in the 'real' world) but if I'm not just unsuccessful, oftentimes it's a process of multiple hours to get a new plugin installed. This was supposedly one of their goals in 3.4 (to make installation of new projects simpler); if they succeeded, I can't tell.
Documentation in the form of books and actual tutorials is sorely lacking. I want a master walkthrough for something as dense and feature-rich as Eclipse; something that says, 'hey, did you know about this feature and how it can really make you more productive?'. As far as I've found, nothing like that exists. If you want to figure out Eclipse, you've got one option, sit down and play with it (literally play with it, not just see a feature and go and read the documentation for it, because that probably doesn't exist or is wrong).
Despite these things, Eclipse really is a great IDE. Its refactoring tooling works tremendously well. The handling of Javadoc works perfectly. All of features we've come to expect of an IDE are their (code completion, templates, integration with various SCMSs, integration with build systems). Its code formatting and cleanup tools are very powerful. I find its build system to work well and intuitively. I think these are the things upon which its reputation is really built.
I don't have enough experience with other IDEs or with other distros of Eclipse (I've seen RAD at work quite a few times; I can't believe anyone would pay what they're charging for that) to comment on them, but I've been quite happy with Eclipse for the most part. One tip I have heard from multiple places is that if you want Eclipse without a lot of the hassle that can come with its straight install, go with a for-pay distro of it. My Eclipse is a highly recommended version that I've seen all over the net that is really very affordable (last I heard, $50 for the distro plus a year of free upgrades). If you have the budget and need the added functionality, I'd go with something like that.
Anyway, I've tried to be as detailed as I can. I hope this helps and good luck on your search! :)
IntelliJ IDEA was awsome. Now it is just "better than Eclipse". You can code in IDEA several times faster than in Eclipse in my experience (I moved from being an Eclipse early-adopter to IDEA and haven't looked back) but IDEA has a number of flaws:
Full version is not free.
It hogs memory
Project management is not great
Jetbrains keep bringing out minor
enhancements and calling them major
releases. IDEA is now slower and
buggier than it was a few years ago.
And you get charged for the
pleasure! (IDEA now has a free Community Edition)
I still wouldn't go back though; the code refactorings and intentions in IDEA are just too good.
A major version of Eclipse came out a while back and it took me about an hour of searching on the website to figure out what was actually contained in the release which might persuade me back into the fold. Visit JetBrains to see how to sell an IDE!
There is no best IDE. You make it as good as you get used using it.
Eclipse can't remotely be called an IDE to my opinion. Okay that's exaggerated, I know. It merely reflects my intense agony thanks to eclipse! Whatever you do, it just doesn't work! You always need to fight with it to make it do things the right way. During that time, you're not developing code which is what you're supposed to do, right? eclipse and maven integration: unreliable! Eclipse and ivy integration: unreliable. WTP: buggy buggy buggy! Eclipse and wstl validation: buggy! It complains about not finding URL's out of the blue even though they do exist, and a few days later, without having changed them, it suddenly does find them etc etc. I Could write a frakking book about it. To answer your question: NO ECLIPSE IS NOT EVEN CLOSE THE BEST IDE!!! IntelliJ is supposed to be MUCH better!
Eclipse was the first IDE to move me off of XEmacs. However, when my employer offered to buy me a Intellij IDEA license if I wanted one it only took 3 days with an evaluation copy to convince me to go for it.
It seems like so many small things are just nicer.
IntelliJ is good one but its not free!!Then NetBeans is also a good option.Also if you are IBM suite WSAD is good
I'd have to vote for Netbeans as the best one currently. Eclipse is decent, but right now Netbeans is better.
I used IntelliJ for almost 5+ years (from v1.5 to v7) and around 8 months ago I migrated to IBM RAD (which is built on top of old eclipse platform) and around 3 months ago I settled down with Eclipse (Ganymede).
I used IntelliJ on a mid size projects (with 10k classes) and I'm using Eclipse on one with just few hundreds of classes.
I found both of these IDEs (IntelliJ and Eclipse) to be good. IBM RAD is just a waste of money (ofcourse one could be stuck in an IBM shop without choice).
IntelliJ has far superior refactoring capabilities and keyboard shortcuts for most of the features compared to Eclipse. It supports importing projects from Eclipse. It has better built in xml handling capabilities (with refactorings applicable almost like for the java code). Built in Intelli Sense is also very good.
Eclipse is a great tool and its free. It took me around 1-2 months to get used to Eclipse from IntelliJ (lot of unlearning of shortcuts), but I got hang of Eclipse, it has been pretty smooth. I havent used Eclipse on mid size project.
Both IntelliJ and Eclipse have active plugin communities and both integrate well with version control systems, unit test frameworks, application servers and profilers.
IntelliJ started becoming slow and bloated starting from v4.0. It was slow with mid size projects. I would not use IntelliJ unless its performance can be improved.
I havent used these two IDEs for anything other than java development.
If you are a java developer and your company pays for IntelliJ and if your project is not too big, go for it. Otherwise, dont despair: Eclipse is always there.
I gave Eclipse a 3 months ride at my new work, but after that I found out that normal Maven project can be run in IntelliJ IDEA too (unless it's Eclipse plugin/EMF/something of course ;-)). 3 months are not enough to compare it with 8+ years with IDEA, but it's enough to claim I gave it a fair try. I decided to live with its perspectives (other IDEs don't need them), with its poor debugger (doesn't show date values unless you click on them! etc.), with its comparatively worse completion than IDEA has.
Now after all those years IDEA is also free (community edition) and I use it without much trouble. Of course I miss some of those "Ultimate" features of paid version, but it's far better than Eclipse. Biggest difference is the whole mindset needed for both of these IDEs. But after you master the mindset of either I can't understand what can anyone hold to Eclipse - unless you need its plugin ecosystem or you have some serious investments there.
Example of "mindset" differences: You have to save in Eclipse, not in IDEA, and I don't care what is better or worse - but you have to save in Eclipse to let him clean up underlined errors that are not errors anymore, etc. ;-) You have to save there in order to get rid of errors in other files too, because other file doesn't see the changes otherwise.
I blogged much more about this topic - and yes, I'm biased, though I tried to be as little as possible. But after some time it wasn't simply possible: :-)
http://virgo47.wordpress.com/2011/01/30/eclipse-vs-intellij-idea/
http://virgo47.wordpress.com/2011/02/22/from-intellij-idea-to-eclipse-2/
http://virgo47.wordpress.com/2011/03/24/from-intellij-idea-to-eclipse-3/
http://virgo47.wordpress.com/2011/04/10/from-intellij-idea-to-eclipse-4/
And no, not even IDEA is perfect, I know it. Because I use it a lot. But it is the best Java IDE if you ask me. Even the Community edition.
[This is not really an answer, just an anecdote. I worked with guys who used emacs heavily loaded with macros and color coded. Crazy! Why do that when there are so many good IDEs out there?]
if you know you way around emacs you can code 100x faster then an IDE. And it can handle bunch of diffrent languages so you do not need to change your coding enviroment if you need to code in another language. Works on all operating systems, you can custimize/add anything you want. Even edit files half way across the world over ssh.(no downloading or uploading).
Before calling them crazy you gotto use it first. i am sure they are calling you crazy for using an IDE :).
It is often said that there are better IDE's for various languages (eg Java) than Eclipse.
The power of Eclipse is that it's basically the same IDE for many languages, meaning that if you know you'll have to code in several programming languages (Java, C++, Python) it's a huge advantage that you only have to learn one IDE: Eclipse.
Eclipse! It can be slow at times and uses a lot of memory but it works well.
I don't know if Eclipse is THE BEST Java IDE, but it is definitely very decent and my favorite IDE. I tried IntelliJ briefly before, and found that it's pretty similar to Eclipse (IntelliJ might offer some nicer features, but Eclipse is free and open source).
I never really tried NetBean because I know Eclipse before I know NetBean.
Eclipse is my favorite because:
Free
Extensible (to a point that you can turn it in to C++ IDE or DB Development IDE)
Open source
I know how to write Eclipse plugin
You can develop a product easily with Eclipse (exp. Lime Wire is Eclipse under the hood)
If you are used to using conventional Java IDE like JCreator you might need some time to get used to Eclipse. I remember when I first learned Eclipse, I didn't know how to compile Java source...
I would suggest that in order to find the best IDE FOR YOU, try what people recommended (NetBean, Eclipse, and IntelliJ), and see which one you like the most, then stick with it and become an expert of it. Having the right IDE will boost up your productivity a lot in my opinion.
I am going to have to recommend Oracle JDeveloper. I personally thought that Eclipse was the best Java IDE too at one point. Then I was introduced to Oracle JDeveloper by my job. I find the UI design much better than Eclipse. Also it comes with an incredible amount of features built in including great support for EJB3, JSF, WebServices, etc. It is essentially an IDE for the entire JavaEE stack (and the Oracle ADF framework as well). - All of the tools you will (probably) need for JavaEE development come with this IDE right out of the box, no plugins required (unless you download the minimalist version).
Talking about java Ide it is better to go for NetBeans.In My opinion it is better and provide great advantage over other ide but it has disadvantage over Eclipse that it grabs more more while working but do to its features and support i suggest Netbeans than any ide
Agreeing with the others. Netbeans is a pretty good IDE which also caters for other languages (PHP, Ruby, C/C++) if you're prone to using any of those. Then you get the added benefit of knowing your way around the IDE when deciding to pick up a new language.
To be fair however, I haven't had much time with the eclipse IDE.
This is subjective... I find it to be a good tool.
It depends what kind of development you're doing - for EJB stuff, many folk would favour Netbeans. It also depends how much you want to spend - I assume you're talking about free IDEs?
In my opinion if you got the resources to use, then go with eclipse. NetBeans which is awesome like eclipse is another best option, these are the only 2 I've ever used (loved, needed, wanted)
Eclipse is hands down the most popular, and for good reason!
Hope this helps.
I'd agree with some of the others out there saying that NetBeans and IntelliJ are both good IDEs. And I'd say that in using all three (Eclipse + other two), that Eclipse is by far my favorite. I found some of the documentation out-dated, but also found the support community very helpful. I started using Eclipse by jumping into the deep end of the pool: writing an RCP before ever learning the IDE. The IDE was intuitive to use, and when I found the right news groups to post to - most of my questions were already answered. The hardest thing for me (and frustrating, admittedly) was knowing how to phrase my search terms in order to get to the answer that was already posted.
Remember that Eclipse is still "relatively new" as an IDE player, though given that - it's pretty darn robust.
My only complaint about Eclipse is that with each new release, it seems to hog up more resources. With a mid-sized project/workspace, it takes seemingly forever to build (or rebuild) the project. Compared to IntelliJ, it's faster and more intuitive to use.
Don't forget that Eclipse Platform was started by IBM. There are few platforms out there.
IBM Websphere Application Developer
(WSAD) and/or Rational Application
Developer (RAD) which is a
Eclipse-type IDE from IBM (actually,
that's Eclipse with IBM specialized
libraries/plugins).
MyEclipse (never used it but it's another Eclipse-type IDE)
Sun Microsystem's
NetBeans. It's too Java-centric as
it's designed to create applications
purely in java (NetBeans runs in
Java).
IntelliJ (to name but a few)
Oracle JDeveloper (I never really liked the directory structure layout JDeveloper creates).
The advantage with Eclipse is that it can be customized to your development pleasure, plugins can be written for Eclipse to conform to your needs (e.g. The Eclipse "Easy Explorer" plugin for browsing the directory of your source in Windows Explorer).
Eclipse allows you to also incorporate other languages/SDK's, such as C++, Silverlight projects, Android Projects for development. You can also easily manage resources in Eclipse.
In my experience NetBeans are resource intensive. Oracle JDeveloper and IntelliJ aren't free though.
Oh yes, If you have issues or bugs with Eclipse, Eclipse has the ability to restart and submit the crash to Eclipse servers.
This is not really an answer, just an anecdote. I worked with guys who used emacs heavily loaded with macros and color coded. Crazy! Why do that when there are so many good IDEs out there?
I have experience with using JCreator LE. I like it because it is easy to use and it is free. Give it a try if it interests you.

Performance Profiling Tips Netbeans for client applications

Do you have any tips for effective profiling using Netbeans?
The profiler is quite nice and powerful. I've used it to find problems in some of my Eclipse RCP client applications. However, I get the feeling that I could get some more value out of it.
Normally I set it to profile either all my classes (starting with xxx.mydomain) using an inclusive filter, or I use an exclude filter to remove all org.eclipse classes. This helps keep the overhead down. After running the section of code I am interested, I take a snapshot. I analyze for hotspots and then change the code, repeat the profiling, take another snapshot and compare again.
Any other suggestions or tips on how to get the most out of the profiler with client applications?
The JavaOne lab exercises are available online for free, you should be able to get some good tips there.
http://developers.sun.com/learning/javaoneonline/j1labs2008.jsp?track=1&yr=2008
Specifically this link is interesting from the Java One Lab
http://developers.sun.com/learning/javaoneonline/j1lab.jsp?lab=LAB-8430&yr=2008&track=1

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