I use Eclipse for Java development. I like the auto-activation feature because I can add all the letters and numbers so I can see class members while I'm typing; making it behave similarly to Visual Studio. If I don't add all of the letters and numbers to the auto-activation list, it will only pop up with class information when I'm typing the first letter after the '.' delimiter, and then it disappears.
The real problem arises when I'm typing in a variable name or something else. As soon as I hit space, the auto-complete types a bunch of crap following what I've typed in attempt to complete it. It's driving me crazy!
Any way to turn this off?
The checkbox you have to check is: "Disable insertion triggers exept 'Enter' "
(under Java -> Editor -> Content assist)
I'm on Eclipse 2018-12 and C_H's answer had no effect on the behavior:
I believe what you'll want is to deactivate "Insert single proposals automatically"
EDIT: It seems this answer is now outdated. It may work for old Eclipse versions. For any more recent versions refer to #ChrisP's answer from 2019.
Open menu Window, then Preferences. Follow path Java -> Editor -> Content assist. Now mess around with the settings to find your ideal setup. I believe what you'll want is to deactivate Insert single proposals automatically.
If anyone wants to know how to stop the auto-complete for brackets:
Toggle off: "Edit --> Smart Insert Mode"
Version: Eclipse Photon
In continuation to #G_H's answer :
This worked for me although I am sure there is another and a better way.
Window -> Preferences -> Java -> Editor -> Content Assist -> Set Auto Activation Delay(ms) : 200ms from 0ms in my case.
You may want to increase/decrease the value 200 depending on your typing speed.
The reason this worked is because of the hitting of "Spacebar" before the delay arrives.
Related
On my Mac, I can usually type an upside-down question mark (¿) by typing Shift + option/alt. However, in IntelliJ, doing this types "public" instead. I could not find any "public" shortcut in the Key Map under Preferences. Short of typing this character in another application, copying it and pasting it into IntelliJ, is there any way around this?
There is a key combination attached to that action already in IntelliJ IDEA. That's why you would get a different result than the one expected from the operating system in question.
Head over Settings > Keymap. Click on the magnifying glass icon (with three boxes on it) named Find Actions by Shortcut – all they way to the right. Once you click on it, execute the key combination that you are looking for, if there is something overriding it, the IDE should give you the action(s) attached/registered to it.
UPDATE: That combination is attached, by default, to Code Completion | Cyclic Expand Word (Backward). Clear that out and you will be on your way of typing ¿ again in IntelliJ IDEA by pressing Shift + Option + ?
Is there a way to open Java Content Assist in Eclipse, when pressing backspace (i.e. removing wrongly typed letter)?
Consider an example: When we type this., the Eclipse opens Content Assist windows with code completion suggestions. Then if we write a text, that is not suggested (e.g. it suggests a series of get* methods, and we type this.gw), the Content Assist window disappears. Then when we press backspace to remove wrongly typed letter, the assist window remains closed.
Is there a way to automatically reopen this window? Is there a setting in preferences for this?
I know that ctrl+space brings back Content Assist window, but that's not a solution. I just want more friendly behavior of IDE, known from e.g. Visual Studio.
How about pressing Ctrl+z instead of backspace? IIRC that should do the trick.
By default, content assist is automatically activated by '.'. To get around this issue, you could either delete all the way down to '.' and retype the period or change the way eclipse activates content assist.
You can do this by changing the 'Auto activation triggers for Java' setting under Preferences->Java->Editor->Content Assist from '.' to all the letters of the alphabet. This would take care of the issue but might introduce other unwanted behavior.
This question already has answers here:
IntelliJ show JavaDocs tooltip on mouse over
(21 answers)
Closed 8 years ago.
I'm using IntelliJ IDEA 9, Is there a way to configure IDEA so that when I pause my mouse over a method, IDEA pulls up the javadoc (the same thing as CTRL+Q does)?
Just to update, IntelliJ 13.0 is now released and has this feature.
Location in 13.0:
Preferences -> Editor -> Other -> "Show quick doc on mouse move"
Location in 13.1 (and later):
File -> Settings -> Editor -> General -> "Other" section -> "Show quick documentation on mouse move"
You can even set the hover time (in ms) and once the doc pane opens, you can Pin it to one of the sides and it becomes one of the windows, like Console or Terminal. This is very handy, as you just over over and look at the pinned window.
There is no such feature right now, feel free to vote for the existing enhancement request.
As stated in the comments, one can write a plug-in that will add this functionality.
Edit
Since this is the first hit on Google about this I would like to add that Edolsa's answer here is the correct solution as of January 2014.
There is a setting under Preferences -> Editor -> Show quick doc on mouse move, but I've found it's completely unusable. It shows the quick doc for all variables so when you're hovering over to find out what a variable's value is the quick doc blocks it. Also most of the time the doc is collapsed and it's a pain to get to the right hand corner without it disappearing to expand it. Needs work, doesn't work nearly as well as it did in Eclipse.
I'm migrating to Android Studio. I miss this Eclipse feature too.
I created a new shourtcut for Quick documentation command: Alt + Left click
(Preferences -> Keymap -> Quick documentation)
It seems comfortable and gets the job done.
Add to idea.properties the following line and restart Intellij
auto.show.quick.doc=true
I was curious if anyone knows a way (by using a setting or a plugin or something), that would allow me to select variable names on the fly in netbeans, in the same way that Visual Studio 2008 does using an automatic popup window? At the moment I can access them by pressing Ctrl + Space, but I wondered if there is a way that I could avoid this and just have them come up automatically as I type, and the methods would come up with the '.' operator as normal?
The settings in 'Tools->Options->Editor->Code Completion' doesn't seem to have the Ctrl + Space setting I'm looking for, only a tickbox for toggling the normal '.' code completion of method names on or off..
(if it helps, the version of Netbeans is 6.9.1, and I'm writing in Java for Glassfish)
I tried to get the desired feature by adding the alphabet to the completion selectors. It worked somewhat, you can always try it.
Goto:
Tools -> Options -> Editor -> Code Completion
Select
Language: [Java]
Check:
[X] Auto Popup on Typing Any Java Identifier Part
Completion Selectors for Java:
[.,;:([+-=abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVXYZ]
Good Luck!
This looks like it was a commonly requested feature for NetBeans, added back in 2009. The setting appears to be Tools -> Options -> Editor -> Code Completion -> Auto Popup Completion Window in those builds (discussion; see also).
The feature you're asking about from Visual Studio is IntelliSense, by the way. If you're looking for a terrific, IntelliSense-drive IDE for Java, you might want to consider IntelliJ.
In NetBeans preferences, choose the code completion; then chose Java instead of all languages; and then choose all the options. You will get it. Goodluck.
Yes, I got it.
Tools > Option > Editor > Code Compilation > Language > Java
That's so easy in NetBeans.
Invoke Code Completion
Inside NetBeans editor simply press Ctrl+spacebar
it will give suggestions for variables, methods, etc
I tried to get the desired feature by adding the alphabet to the completion selectors. It worked somewhat, you can always try it.
This works for the first two characters you type This is updated one
Goto:
Tools -> Options -> Editor -> Code Completion
Select
Language: [C/C++]
Autopop Triggers for C/C++ Identifiers
.;->;.*;->*;::;new ; 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Good Luck!
I have been wracking my brain trying to figure this out. For the first time I used jEdit the other day and I was pleasantly surprised that it auto indented my code (meaning that I'd put in the following code:
int method () {
_ //<-- and it put me here automatically
I've tried to get the same thing working with eclipse but with no success. I got into the code formatter but I don't see how to make that happen.
Is it possible to do this? Also while I'm here, is there a such thing as a eclipse plugin that will allow you to search the methods and classes of the standard java library?
Thanks
Personally all I use for this is the format options Window->preferences under Java->Code Style ->Formatter.
I once took the time to tweek how I like my code to look like when I work and exported the whole thing. After that I just code without too much bother on what it looks like. When I find the code looks messy by pressing the combination ctrl+shift+f and the whole class becomes pretty again, comments and all.
After a while it pretty much became a reflex...
code code code
ctrl-s, ctrl-b (cause I disable auto build sometimes), ctrl-shift-f
code some more etc...
Once I got used to this I never really cared how it presented the code as i was typing because I knew it would look all pretty as soon as the loop/if/switch/method etc is finished
My clean eclipse install does this by default.
Have you changed any options? Make sure the file you are editing has the .java file extension. The preference options that control the typing automations are under Java -> Editor -> Typing in the Window -> Preferences menu.
Also, I find that the auto-indenting, and most of the other auto-complete functions of eclipse do not function well if the file I am editing has errors in it which prevent compilation. Make sure that your curly-braces are matched correctly, this is the main one that I've noticed blocks auto-indent.
Regarding searching through the standard Java libraries, use the Search -> Java.. menu option, and check the JRE libraries checkbox, then search away. You can also use the Hierarchy view to see how the classes relate. Also, in the Package and Project views you can expand the JRE System Library, and then expand rt.jar which holds pretty much all the standard Java pacakges.
Eclipse has always done this for me by default.
One really cool thing about eclipse is that you can search preference pages. Just right click and go to prefrences. Go to the "Window" menu, and click "Prefrences". Then at the top of the tree view there's a text box that says "type filter text". Replace that with "indent" and it should bring up the page where the indent option is.
Make sure that eclipse recognizes your file as a java file, that you're using the Java distribution, the latest version, etc.
Iv been trying to work around the eclipse indenting and other supposed features for years, and it seems that the bottom line is this ...
It only works for the programming style of the authors, so to use it you need to modify your style to comply.
This would be OK except that the authors of eclipse have some very strange ideas about common shortcut keys.
One horrid example is the search features, eg when did Ctrl+K become "Find Next occurrence" and why doesnt F3 or n work?
That all being said I use eclipse because if you have the time to wait around while it starts up - or never close it - and you can modify everything youve learned about using an editor - why why why - then it will certainly increase your efficiency.
Please note that there is a preference setting for indenting, it can be set for a project, a workspace, or globally, but no matter how you set it eclipse will still chuck tab characters in where you dont want them.
In fact its indent crazy, like it wants to indent everything, even if its already indented.
Like I said Iv been using it for years and it STILL drives me nuts with its random behavior.
Follow these steps for Eclipse:
Select all text: ctrl+A
Correct indentation: ctrl+I
You should check:
Hidden features/tricks for Eclipse?
What is your favorite hot-key in Eclipse?