How can I make it so that the open file is launched in idea, and not the old Solution?
You can run the code if there is a main method. In this case, there are two ways:
Click Ctrl+Shift+F10.
Right-click on the workspace in the desired class and select Run or Debug
How can I make the position number in the line of code where the cursor is located appear on the screen?
Open the View > Status Bar panel and check the box. If the checkbox is checked, then make the window smaller; perhaps the taskbar overlaps the IDEA window.
Gives an error message:
java:try-with-resources is not supported in -source 1.6(use -source 7 or higher toenabletry-with-resources)
You need to set the Java level higher than version 6. Open Project Structurectrl+alt+shift+s > Project > Project language level .
There are tasks in lectures, but the plugin does not see them
It seems that the plugin in IntelliJ IDEA sees the tasks of another account on the site. You need to compare the secret keys on the site and the plugin. On the website, the secret key can be found in settings . In the plugin, the secret key is located in the JavaRushPlugin.properties file
How to run a program step by step in intellij? So that, for example, when executing a loop from 0 to 4, the assigned values and calculation results at each step are displayed in the console
Unable to find package java.lang in classpath or bootclasspath
Open the panel File > Project Structure > Platform Settings > SDKs In the Classpath tab , connect all jar files from the “path to installed Java” /jre/lib .
Why did IntelliJ IDEA cross out methods that work great?
These are outdated methods that are not recommended to be used. They may be removed in future versions of the language. These methods are marked with the Deprecated annotation , and IDEA warns about this.
Where in IntelliJ IDEA to enter data that will be read in the program
Action mechanics:
We are writing a program.
Launch Run
A console appears below.
We write data to the console
Press Enter
How to return the window with the result of program compilation, which is located below
We use hot keys: Alt+0- the MessageAlt+4 panel will open - the Run panel will open. The remaining panels can be found View > Tool Windows .
Displays ...the SDK is not specified... Or the code is colored red
You need to specify the path to the SDK in your project.
Opens the File > Project Structure panel (ctrl+alt+shift+s).
Select the SDKs tab .
Specify the path to the installed JDK package .
If the code is still tinted red, but the program works, then run File > Invalidate Caches
Why does IDEA highlight some code elements with a brown background for me?
These are the so-called Inspections. You can think of it as a Code Review . If you hover the bear cursor over such an element, IDEA will give a hint and automatically replace the code with a more correct one in IDEA's opinion. In the situation with " for ", there will be a replacement with the shorter " for each ".
Where should I put it in the options so that the result of the task is displayed on the screen, and not saved to the console and file, respectively?
An option in the Run/Debug Configurations window has been changed .
There is a drop-down list in the upper left corner of the screen (to the left of the green triangle). Click and select Edit configurations .
Then select the Logs tab . Uncheck the box next to Save console output to file .
After reinstalling IntelliJ IDEA and the plugin, will my progress and subscription be saved?
Your progress and subscription are tied to a secret key ( JavaRushPlugin.properties file ). There won't be any problems. If you want to keep all the solutions, just don’t delete the project, and you can safely reinstall the rest.
After compilation, instead of Cyrillic it shows question marks/unclear symbols, what could be the reason?
Encoding problem. Problems arise when the output is in UTF8, and the input is in WIN1251 (for example).
Open the File > Settings panel and enter Encoding in the search bar . We set Project Encoding to UTF-8 .
I'm restarting and clearing the IDEA cache . File panel > Invalidate Caches/Restart
For those who know English, there is a good article on the topic of encodings
How can I make the code line numbers immediately displayed when starting IntelliJ IDEA?
Line numbering can be enabled in two ways:
Right-click on the empty one to the left of the code (see screenshot below) > Show line numbers .
Open the panel File > Settings > Editor > General > Appearance. Check the Show line numbers checkbox.
What needs to be done for shift selection to work? Ctrl+c and ctrl+v don't work
It looks like the Vim plugin is installed. You need to disable the plugin:
If the checkbox is checked, then make the window smaller; perhaps the taskbar overlaps the IDEA window.
