Intellij class file is read only, Intellij lock icon, cannot edit file in Intellij, using bytecode editor in Intellij, (2023)

The intellij class file is read-only

To toggle the read-only attribute of a file. Open the file in the editor or select it in the Project tool window. Do one of the following: From the main menu, choose File | Make the file read-only or File | Make the file writable. Click on the lock icon in the status bar. Thanks for this answer.

Read-only is a file attribute or characteristic that the operating system assigns to a file. Read only in this case means that the file can only be opened or read; Files marked as read-only cannot be deleted, modified or renamed. To change the read-only attribute, do the following: Right-click the file or folder icon.

The Java bytecode decompiler in IntelliJ IDEA is a built-in tool that allows you to read compiled bytecode as if it were human-readable Java code. Suppose you have a library packaged in a .jar file. You just downloaded it from the internet and you don't have the source code.

Of course, you can restore it using the filesystem, but IntelliJ IDEA suggests a better way without leaving the IDE. This is where IntelliJ IDEA's local history at the project or folder level comes in handy, which keeps all changes that affect nested files, including changes to content and the overall file tree.

Smart Lock-Symbol

Not sure about IDEA 4, but in version 13, the lock icon denotes a read-only file in filesystem terms. The icon is still there. For example, open a file in Notepad and try Main Menu / File / Make File Read Only.

(Video) IntelliJ IDEA Tips & Tricks #56: Easiest way to Decompile Java Bytecodes in .class Files

Lock and unlock files and folders. While Subversion's integration allows you to successfully modify and merge files modified by different team members, it sometimes makes sense to lock files (such as images) to avoid overwriting changes. Lock a file. Select the file to be locked in the Project tool window or open it in Notepad.

Press CmdOptShift+/ and select Log from the maintenance menu that appears. Disable the ide.appIcon.requestAttention option there. Be careful with the other configuration options, as it is possible that your IntelliJ IDEA installation will be interrupted by a misconfiguration.

Basically, the icons fit into a square drawing area. Leave a clear fill around the perimeter. For standard 16px icons, the transparent border is 1px, so the visible part of the icon must be within the 14px x 14px area. 14px x 14px is the area that the visible part of the icon must fit for a 16px icon.

IntelliJ IDEA displays the list of tag names matching the current context. Use the up and down keys to scroll through the list. Press Enter to accept a selection from the list. If your file is associated with a schema or DTD, IntelliJ IDEA will automatically fill in the required attributes accordingly.

Intellij Idea icons in iOS, Material, Windows and other theme styles Get free icons of Intellij Idea in iOS, Material, Windows and other design styles for web, mobile, and graphic design projects. The free images fit your design perfectly and are available in both PNG and vector formats.

(Video) IntelliJ IDEA Tips & Tricks #8: Automatically Decompile the .class File by Viewing It!

Outline icon symbols. In code completion lists, refactoring or element generation dialogs, and many other UI contexts, ReSharper shows icon symbols to visualize what kind of icon is used (for example, to distinguish between methods, fields, or method in completion lists).

unable to edit file in intellij

Right-click a delimited text file and click Edit as Table. You can also click the Edit as Table icon in the editor. In the dialog that opens, specify the format settings and click OK. The dialog has two predefined formats (CSV and TSV) and allows you to create a custom format.

Check the status of project files. With IntelliJ IDEA, you can check the status of your local working copy against the project repository version. You can see which files have changed, which new files have been added to the VCS, and which files are not being tracked by Git.

Configure file type associations. If you are working with file types that IntelliJ IDEA does not recognize (for example, if it is a proprietary file type developed in-house) or if you need to code in an unsupported language, you can create a custom file type.

When editing a file that is under version control, IntelliJ IDEA provides several ways to move forward and backward with updates. In particular, you can use navigation commands, keyboard shortcuts and highlight changes. Press Ctrl+Shift+Alt+Down / Ctrl+Shift+Alt+Up. From the main menu, select Browse | Next/previous change.

(Video) Go To Class, File, and Symbol (IntelliJ IDEA)

So, to fix this issue, go to C:\Users\<your_username>\.IntelliJIdea<version>\config (or the equivalent for your operating system) and delete the idea.exe.vmoptions and/or idea64.exe file. vmoptions from there. This should remove the override and make IntelliJ use the settings in the bin folder.

Access the properties of the run/debug configuration you want to share (Run | Edit configurations), enable the Save as project file option and specify the location where the file should be saved. If compatibility with IntelliJ IDEA 2019.3 and earlier is required, save the file in the default location.

How to use the bytecode editor in Intellij

Open the required .class file in the IntelliJ IDEA notebook and select View | See bytecode in the main menu. If you don't see this option, make sure the included Bytecode Viewer plugin is enabled. The bytecode viewer provides basic syntax highlighting and displays information in an easy-to-read manner.

Go to File > Settings > IDE Settings > Plugins. Make sure "Byte Code Viewer" is selected in the list of plugins. If not, select it and click OK. Then you need to restart IntelliJ IDEA. After building (or building your project), you can view the bytecode using the View > Show Bytecode menu. It is not mapped to any keyboard shortcuts, but you can assign it if you wish in the keymap settings in the configuration dialog.

Bytecode Editor tool window; - Now you can create/delete/edit bytecode instructions; - You can change UTF strings in the constants group; - If you want an explanation of a specific instruction, click on the help icon. - If you modified the file and tried to save it, the Save As dialog will open, allowing you to save the modified class.

(Video) File is read-only | flutter | android studio | vs-code

Provides visualization | Edit the action bytecode for those learning JVM internals.

Editor basics. The IntelliJ IDEA editor is the main part of the IDE that you use to create, read, and modify code. For information about adding and editing code, see Writing and Editing Source Code. The editor consists of the following areas: The scroll bar shows errors and warnings in the current file.

Use the --release option for cross-compilation (Java 9 and later) By default, this option is selected. IntelliJ IDEA infers from the project configuration when cross-compilation is required and automatically applies the --release compiler option for Java 9. Project Bytecode Version: Select the bytecode version to be generated.

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How do I change a file from read-only to edit in IntelliJ? ›

To toggle read-only attribute of a file, open file in the editor, or select it in the Project tool window. Do one of the following: On the main menu, choose File | File Properties | Make File Read-Only , or Make File Writable .

How can I edit a locked file in IntelliJ? ›

Unlock a file

Select the file you want to unlock, or open it in the editor. Select VCS | Subversion | Unlock from the main menu, or Subversion | Unlock from the context menu of the selection. To forcibly break a lock set by somebody else, select the Steal Existing Lock checkbox.

How do I enable editing in IntelliJ? ›

Code Editing Use the Code Editing page of the Settings/Preferences dialog to configure the general code editing options. Select this checkbox to have IntelliJ IDEA highlight pairs of opening/closing braces when you position the caret right before the opening or right after the closing one.

How do I change the read mode in IntelliJ? ›

Reader mode

in the gutter or press Ctrl+Alt+Q . Error and warning highlighting, inspection widget: select this option if you want the editor to indicate that you are viewing the file in the reader mode. IntelliJ IDEA also keeps track of found errors and warnings and displays them accordingly.

How do I change a file from read only to editable? ›

Changing a read-only file
  1. Find the file you want to edit.
  2. Right-click the file (PC) or Control-Click (Mac), and then click Properties.
  3. Click the General tab, clear the Read-only check box, and then click OK.
  4. Edit and save your file as needed.
Dec 27, 2021

How do I change a file from read only to edit? ›

Remove read only
  1. Click the Microsoft Office Button. , and then click Save or Save As if you have previously saved the document.
  2. Click Tools.
  3. Click General Options.
  4. Clear the Read-only recommended check box.
  5. Click OK.
  6. Save the document. You might need to save it as another file name if you have already named the document.

How do I fix a locked file for editing? ›

To resolve this issue, first confirm that another user on the network does not have the document open. If the document is in use, open the document as read-only. If it is not in use, quit all instances of Word, and then remove the owner file.

How do I remove read-only from Intellij? ›

When a read-only file is opened in the editor, you double-click lock icon. in the status bar. You remove read-only attribute externally, using file properties.

How do I get rid of locked for editing? ›

Inactivate an add-in that's causing the lock. Select File > Options > Add-Ins > Excel Add-ins > Go and then clear the check box for the add-in.
  1. If possible, remove password encryption from the file. ...
  2. If possible, remove restricted access.

How do I turn off read mode? ›

Read Mode automatically fits the page layout to your device, using columns and larger font sizes, both of which you can adjust. To get out of Read Mode, click or tap View > Edit Document.

How do I turn reading mode off? ›

Turn screen reader on or off
  1. On your Android phone or tablet, open your device's Settings app Google. Manage your Google Account.
  2. At the top, tap Personal info.
  3. Under "General preferences for the web," tap Accessibility.
  4. Turn Screen reader on or off.

How do I change my reading mode? ›

Tip: You can also set up other shortcuts to turn on Reading mode:
  1. On your Android device, tap Settings.
  2. Tap Accessibility Reading mode. Reading mode shortcut. To turn on Reading mode shortcuts with: Volume keys: Tap Hold volume keys. Gesture: Tap More options. Tap Use button or gesture. Tap Gesture.

How do I enable editor mode? ›

Enable editing in your document
  1. Go to File > Info.
  2. Select Protect document.
  3. Select Enable Editing.

How do I enable auto editing? ›

Move to the “File” option and click on “Save As” to open the file directory. At the bottom of the file explorer screen, hit the drop-down icon given besides “Tools” and choose “General Options”. From the “General Options” menu, uncheck the “Read-only recommended” box. Press “OK” to enable editing in the Excel file.

How do I reset IntelliJ settings? ›

From the main menu, select File | Manage IDE Settings | Restore Default Settings. Alternatively, press Shift twice and type Restore default settings . Click Restore and Restart. The IDE will be restarted with the default configuration.

How do I unlock a read-only file? ›

Read-only Files
  1. Open Windows Explorer and navigate to the file you want to edit.
  2. Right-click the file name and select "Properties."
  3. Select the "General" tab and clear the "Read-only" check box to remove the read-only attribute or select the check the box to set it. Click "OK" to save your changes.

How do I make a file writable? ›

6 Answers
  1. chmod +w <directory> or chmod a+w <directory> - Write permission for user, group and others.
  2. chmod u+w <directory> - Write permission for user.
  3. chmod g+w <directory> - Write permission for group.
  4. chmod o+w <directory> - Write permission for others.

Why did my file suddenly become read-only? ›

Microsoft Word, by default, opens the documents downloaded from the internet in Read-Only mode for added security reasons. Other times, it can be due to the document owner adding edit restrictions to the document to be used in read-only mode to prevent modifications.

How do you unlock a padlock file? ›

Right-click on the file. In the menu that appears, select Lock File. To unlock, right-click the file and select Unlock File.

How do I force a file to unlock? ›

Right-click a file (or click the ellipses (...)) to open the More Options menu. Click Unlock.

How do you unlock a file that is locked by another user? ›

Go to Computer Management -> System Tools -> Shared Folders -> Open Files to find out who has a document locked. If the user can't be contacted to disconnect themselves, you can forcefully do so by right clicking the locked file and selecting Close Open File (warning: the user might lose their changes).

How do I get out of read-only editor? ›

Right-click on it and choose Open Changes > Open Previous Changes with Working File. This view will let you edit while comparing. Hope this helps.

How do I force a read-only off? ›

Change Folder Attributes
  1. Type “ cmd ” in the Windows search bar.
  2. When the Command Prompt appears in the results, right-click on the icon and select the “Run as administrator” option.
  3. Remove the folder's “Read-only” attribute by typing the following command: attrib -r +s drive:<directory path><folder's name>
Jul 11, 2022

What does Ctrl Alt l do in IntelliJ? ›

Sometimes code formatting can get out of sync, but there's an easy fix in IntelliJ IDEA. You can use ⌘⌥L (macOS), or Ctrl+Alt+L (Windows/Linux) to reformat a selection of code according to your reformat settings.

How do I unlock a file in read-only? ›

Word files may be read-only due to Protected View, password protection, or file permissions in Windows or macOS. If you're using Windows, right-click the file, select "Properties," click the "Properties" tab, then remove the Read-only attribute.

What can you do with read-only permissions? ›

Read-only is a file system permission that only allows a user to read or copy stored data, but not write new information or edit the data. A file, folder, or an entire disk may be set as read-only to prevent accidentally changing the file's contents.

What is a read-only file? ›

Read-only is a file attribute which only allows a user to view a file, restricting any writing to the file. Setting a file to “read-only” will still allow that file to be opened and read; however, changes such as deletions, overwrites, edits or name changes cannot be made.

What does Shift F6 do in IntelliJ? ›

Renaming. Instead of using search-replace – focus cursor on variable/constant/class/method and press Shift+F6.

What is Ctrl K in IntelliJ? ›

IntelliJ IDEA shortcuts for Eclipse users
EclipseIntelliJ IDEAAction
Ctrl + KF3Find next
Ctrl + Shift + KShift + F3Find previous
Ctrl + FCtrl + RReplace
117 more rows
Feb 27, 2014

What does F9 do in IntelliJ? ›

You can resume program execution by clicking on Resume Program or by using the shortcut F9. To restart the program in debug mode, select Rerun. You can stop debugging your program at any time by using the Stop icon.


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