Eclipse comment uncomment shortcut

Question

I thought this would be easy to achieve  but so far I haven t found solutions for comment uncomment shortcut on both Java class editor and jsf faceted webapp XHTML file editor     to quickly comment uncomment a line  like ctrl   d is for removing single line  being able to choose multiple lines and comment uncomment it     For example    single line java code  from    private String name    into    private String name      multiple line java code  from    private String name  private int age    into    private String name  private int age        single line xhtml code  from     lt h inputText       gt    into   lt  -- h inputText       -- gt      multiple line xhtml code  from     lt h inputTextarea   rows  xx    cols  yy          gt    into   lt  -- h inputTextarea   rows  xx    cols  yy          -- gt

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Select the code you want to comment  then use Ctr     to comment and Ctrl     also to uncomment  It may not work for all types of source files  but it works great for Java code

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A simple way of doing is to press Ctrl   Shift   C  on the lines of your code   For comment and for uncomment do same

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Single line comment Ctrl     Single line uncomment Ctrl          Multiline comment Ctrl   Shift     Multiline uncomment Ctrl   Shift      note the backslash

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For a Mac it is the following combination  Cmd

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For those who like to customize things  and screw them up   some tips   In  Preferences  -  General  -  Keys   type  comment  to get a full list of comment key combination in all editors  Be sure only to edit  not copy commands because you cannot erase created ones     For HTML files  look for those with scope  Editing HTML files   The names are confusing  yes  but the description shows more or less when each and every key is used   At last  I am only able to define block comment in HTML here  It works for both HTML code and Javascript code add at the beginning and the end   lt  -- and -- gt  if is HTML  and add    and    if is Javascript    I remember once there may be a  line comment  key  add comments for every line  but now it is not there anymore  If someone knows how to find it and tell me  I will be very grateful    The category must be Edit  Source does not work   EDIT   I found how to configure XML Toggle comment  The category should be Edit  too  Then you can toggle comment in   XML Editor the one with  Design  and  Source  tabs

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Use  Ctrl   SHIFT   L which will open a list of all major shortcuts for eclipse    For single line java code comment and uncomment   Ctrl      Forward Slash  For multiple line java code comment   Ctrl   Shift      Forward Slash  and  Multiline uncomment   Ctrl   Shift      Backslash  For single line xhtml code comment uncomment   Ctrl   Shift   c For multiple line xhtml code comment   Ctrl   Shift      Forward Slash   For multiple uncomment   Ctrl   Shift      Backward Slash    For Mac user it will be    instead of Ctrl

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You can toggle the comment on one line or selection by using the shortcut Ctrl     This adds removes the    infront of the code line  You can block comment        using the Ctrl   Shift     eclipse shortcut  You can find a complete list of useful eclipse shortcuts here http   javatutorial net eclipse-shortcuts

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CTRL   7  does comment uncomment in the Java Editor

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Comments In Java class     Toggle Single line Comment   Ctrl     - Add remove line comments         from the current line  Add Block Comment   Ctrl Shift     - Wrap the selected lines in a block comment             Remove Block Comment   Ctrl Shift     - Remove a block comment            surrounding the selected lines  Add Javadoc Comment   Alt Shift J   - Add a Javadoc comment to the active field method class      Comments In HTML XML Config file     Add Block Comment   Ctrl Shift     - Wrap the selected lines in a block comment   lt   -- --    Remove Block Comment  Ctrl Shift    - Remove a block comment   lt   -- --   surrounding the selected lines

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In eclipse Pressing Ctrl   Shift   L  will list all the shortcuts

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Source -  Remove Block Comment  link

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Single comment ctrl     and also multiple line comment you can select multiple line and then ctrl      Then  to remove comment you can use ctrl   c for both single line and multiple line comment

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For single line comment you can use Ctrl     and for multiple line comment you can use Ctrl   Shift     after selecting the lines you want to comment in java editor   On Mac OS X you can use       to comment out single lines or selected blocks

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An easier way is to press Ctrl   Shift   C  just like in Code  Blocks

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Ctrl   to toggle      comments and Ctrl Shift  to toggle         comments  At least for Java  anyway - other tooling may have different shortcuts   Ctrl   will remove a block of either comment  but won t add comments   EDIT  It s Ctrl on a PC  but on a Mac the shortcuts may all be Cmd instead  I don t have a Mac myself  so can t easily check

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Ctrl    7  to comment a selected text

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Ctrl    Shift   C   Works great on  java   xhtml   properties and maybe on others but I only tested these ones  Can comment single or multiple lines

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