Eclipse shortcut keys and common settings

Source: Internet
Author: User
Tags delete key try catch

This article was transferred from: http://blog.csdn.net/idsunb/article/details/6604451

1. Prompt key configuration
By default, Eclipse, MyEclipse's code hinting feature is much worse than Microsoft Visual Studio.
, mostly eclipse, MyEclipse itself has a lot of options that are turned off by default and should be manually configured by the developers themselves. If the development
If you're not sure, you don't know Eclipse, MyEclipse's code hints function can be like the Microsoft Visual Studio
The Code hints feature is as powerful.
Let's start with a simple example to illustrate the problem, such as in Eclipse, MyEclipse code, playing a foreach,switch, etc.
These, are not able to get code hints (do not trust themselves to try), the others are not to mention, while in the Microsoft Visual
Inside the Studio is a very friendly code hint. In fact, the code hints feature inside Eclipse, MyEclipse code
The default is usually the point ".", which is usually a point "." Before a code hint is available.
Principle: The "Auto Activation triggers for Java" option refers to the option to trigger the code hint and "."
Change to ". ABCDEFGHIJKLMNOPQRSTUVWXYZ (," means that it encounters 26 letters and.), (These symbols trigger
The Code hints feature. Enhanced eclipse, MyEclipse code hints function, specifically how to configure?
Let's start with the steps:
1. Open myeclipse, then "window" → "Preferences"
2. Select "Java", expand, "Editor", and select "Content Assist".
3. Select "Content Assist" and see the "Auto" under "auto-activation" on the right, right
Activation triggers for Java "this option. Actually, it means "." is the trigger code hint. This symbol.
4. "Auto Activation triggers for Java" option in "." After the addition of ABC letters, convenient to find the following changes. Then "Apply" and click "OK".
5. Then, select any item "File" → "Export", select "Perferences" in the pop-up window and click "Next".
6. Select the export file path, I export to the desktop, enter "test" as the file name, click "Save".
7. On the desktop, locate the file "TEST.EPF" that you just saved, and right-select "Open with Notepad."
8. You can see a lot of configuration myeclipse information
9. Press "CTRL + F" shortcut key, enter ". ABC" and click "Find Next".
10. Find the configuration information for ". ABC".
11. Change ". abc" to ". ABCDEFGHIJKLMNOPQRSTUVWXYZ (,", Save, Close "TEST.EPF").
12. Go back to the MyEclipse interface, "File" → "Import", in the pop-up window select "Perferences", point
Click "Next", select the "TEST.EPF" file that has just been modified, click "Open", click "Finish". This step
Similar to the export steps above.
13. Finally, of course, the code is tested. Just create a new project and create a new class. In code input Switch,foreach etc.
To test. You'll find out immediately that there is a hint, and no matter which letter you hit, there are a lot of relevant hints, very streaming
Very convenient.
Summary: The "Auto Activation triggers for Java" option refers to the option to trigger the code hint and "." Change
". ABCDEFGHIJKLMNOPQRSTUVWXYZ (," means that it encounters 26 letters and that the symbols trigger the code hinting function.)

Finally: The automatic prompt pop-up time is best to change to 100 milliseconds or less, otherwise you are finished, automatic prompt to bounce out.

2,. MyEclipse inside how to use shortcut key System.out.println ():

If you do not have a command name named Sysout when you print the SY character, you can customize the string and command name you want to print. Similar (can Key-value) can be customized here windows->preferences->java->editor->templates->new.

3. Prompt for shortcut key settings:

Open Window->preference->generate->keys, a large dialog box appears, "alt+/" corresponding to the command name is: "Content Assist", locate the command, click to select it. At this time in the window of the binding and when will appear automatically display the command information, delete the information in the binding, and then press the keyboard alt+/, the binding will automatically display the alt+/shortcut keys, and then when the window select editing Java Source, and finally click OK.

4. Hint Background:

Window--preference--java--editor-completion proposals Background Color recommended 85,90,205

5, the keyword configuration of different colors
Modify the name of the class, interface name, etc., highlighted in different colors
1. Open myeclipse, then "window" → "Preferences".
2. This can be configured in "Java" → "Enditor" → "Syntax coloring".
3. On the right, expand "java" → "classes", tick the "Enable" option, choose the color you like.
There are, of course, other related color configurations. In fact, in the "Preferences" this thing, there are a lot of things that can be configured to make
MyEclipse optimization, specific to each person according to their own personal preferences to configure.
6, adjust the display size of the code in MyEclipse
Window->preferences->general->apperance->colors and Fonts->basic->text->fonts

Then you can change it by clicking on it!

7. Set MyEclipse edit window background color

Edit Window Right-click--"preferences--" General plus--"editors plus--" point text Editors--"The lower right window select Backgroud color,
On the right, click the System Default button, click the Color box on the right, and choose the color OK

8. Common shortcut keys
Eclipse's editing capabilities are powerful, and mastering the Eclipse shortcut key capabilities can greatly improve development efficiency. In Eclipse
Some shortcut keys related to editing.
1. "Alt+/"
This shortcut is a good helper for users to edit, can provide users with content assistance, do not worry about the method and the name of the property,
When remembering the names of classes, methods, and properties, experience the benefits of "alt+/" shortcut keys.
2. "Ctrl+o"
shows an outline of the methods and properties in a class that quickly locates the methods and properties of a class and is useful for finding bugs.
3. "Ctrl+/"
Quickly add comments that can quickly annotate or uncomment the line or selected line of the cursor, and may always be required when debugging
To annotate something or uncomment it, it's OK now, and you don't need to repeat the comments on each line.
4. "Ctrl+d"
Delete the current line, which is also the author's favorite one, do not have to delete a row and press so many times the delete key.
5. "Ctrl+m"
Window maximization and restore, when the user in the window operation, always feel that the current window is small (especially when writing code), is now
In the good, try "ctrl+m" shortcut keys.
Viewing and locating shortcut keys
In the program, quickly locate the location of the code, quickly find the place where the bug is very difficult, Eclipse provides a powerful

Search function, you can use the following shortcut keys to help complete the job of locating.
1. "Ctrl+k", "Ctrl++shift+k"
Find the selection quickly down and up, and you no longer need to click the Find dialog box with your mouse.
2. "Ctrl+shift+t"
Find a Java class file in the search workspace (Workspace) build path, do not suffer from the discovery of classes, and you can

Use "*", "? "And so on wildcard characters.
3. "Ctrl+shift+r"
and "Ctrl+shift+t", Find all the files (including Java files) in the workspace (Workspace), or you can

Use a wildcard character.
4. "Ctrl+shift+g"
Find references to classes, methods, and properties. This is a very useful shortcut key, for example, to modify the code that references a method, you can

To quickly position all references to this method by using the "ctrl+shift+g" shortcut key.
5. "Ctrl+shift+o"
Quickly generate import, when copying a program from the Internet, do not know how to import into the called class, try "ctrl+shift+o

"Shortcut keys, there will be surprises."
6. "Ctrl+shift+f"
Formatting code, writing the code of the format specification is a required lesson for every programmer, and when you see a piece of code that is very uncomfortable, select

You can format this code by pressing the "ctrl+shift+f" shortcut, and if you do not select the code, the current file is formatted by default (Java

files).
7. "Alt+shift+w"
Find the path in the project where the current file is located, and you can quickly locate the location of the browser view, if you want to find a file that contains the

Package, this shortcut is useful (especially in larger projects).
8. "Ctrl+l"
Navigates to a row in the current editor and is also valid for non-Java files.
9. "Alt+←", "alt+→"
Backward history and forward history are useful in tracking code, and users may find several related places, but

It may not be clear that you can locate the order of lookups by using these two shortcut keys.
10. "F3"
A class, method, and property that quickly locates the cursor position.
11. "F4"
Displays the inheritance relationship for the class and opens the Class inheritance view.
debugging shortcut keys
There are several shortcut keys in eclipse that are related to running debugging.
1. "Ctrl+shift+b": Sets a breakpoint at the current line or cancels the set breakpoint.
2. "F11": Debug the Last executed program.
3. "Ctrl+f11": Run the last executed program.
4. "F5": Trace into the method, when the program executes to a method, you can press the "F5" key to trace to the method.
5. "F6": Step Into the program.
6. "F7": Executes the method, returning to the next statement that called this method.
7. "F8": Continue execution to the next breakpoint or end of the program.
Common editor shortcut keys
Usually the text editor provides some shortcut keys related to editing, which can also be used in eclipse for text

Edit.
1. "Ctrl + C": Copy.
2. "Ctrl+x": Cut.
3. "Ctrl + V": Paste.
4. "Ctrl+s": Save the file.
5. "Ctrl + Z": Undo.
6. "Ctrl+y": Repeat.
7. "Ctrl+f": Find.
Other shortcut keys
There are many shortcuts in eclipse that cannot be enumerated, and users can find ways to use them through the help document, and

There are several common shortcut keys as follows.
1. "Ctrl+f6": Switch to the next editor.
2. "Ctrl+shift+f6": Switch to the previous editor.
3. "CTRL+F7": Switch to the next view.
4. "CTRL+SHIFT+F7": Switch to the previous view.
5. "Ctrl+f8": Switch to the next perspective.
6. "Ctrl+shift+f8": Switch to the previous perspective.
There are many shortcut keys in Eclipse, you can find all the shortcuts using the Help document, but you need to know the use of all the shortcut keys.

is impossible, there is no need, if you take a moment to familiarize yourself with the shortcut keys listed in this section, you will be more effective.
1. Edit->content Assist-> Add alt+/Code Association
2. window, Next Editor, add ctrl+tab switch windows
3. Run/debug Toggle Line Breakpoint-Add Ctrl + ' when debugging and deleting breakpoints
4. source-> Surround with Try/catch Block--ctrl+shift+v add try Catch box
5. ctrl+shift+, Generate Getters and Setters, Source. Add a Get Set method
-----------Useful shortcut keys-----------
alt+/Code Helper to complete some code insertion (but general and input method conflict, you can modify the input method hotkey, you can also take up

alt+/to replace)
CTRL+1: The cursor stops at a variable, and pressing the CTRL+1 key can provide a quick refactoring scheme. Select several rows and press Ctrl+1 to set the

The segment code is placed in a code block such as for, while, if, do, or try.
Double-click the opening parenthesis (parentheses, brackets, curly braces) to select everything in parentheses.
Alt+enter displays the properties of the currently selected resource (project, or file or file)
-----------Ctrl Series-----------
Ctrl+k: Hover the cursor over the variable and press Ctrl+k to find the next same variable
Ctrl+shift+k: Opposite to Ctrl+k Lookup
Ctrl+e quick display of the current Editer drop-down list (in bold if the current page does not appear)
Ctrl+shift+e Display manager that manages all of the currently open view (you can choose to close, activate, and so on)
Ctrl+q positioning to the last edited place
Ctrl+l positioning in a row (for people with programs over 100 have the gospel)
Ctrl+m maximize the current edit or view (and vice versa)
ctrl+/comment on the current line, and then uncomment it
Ctrl+t quickly displays the inheritance structure of the current class
CTRL+SHIFT-T: Opens type (open type). If you are not intentionally skiving, or forget to pass the source tree (source

Tree) Open the way it is.
Ctrl+o: Open a small window like outline view in your code
CTRL + Mouse hover: can display the source code of classes and methods
Ctrl+h: Open the Search window
ctrl+/(numpad) collapses all code in the current class
Ctrl+x (keypad) expands all code in the current class
-----------Ctrl+shift Series-----------
Ctrl+shift+f formatting of the current code
Ctrl+shift+x the text that is currently selected is all stale lowercase
Ctrl+shift+y turns the currently selected text to lowercase

Ctrl+shift+o: Importing import quickly

Ctrl+shift+r: Opening resource Open Resource

ctrl+shift+/Plus paragraph annotation/**/
Ctrl+shift+\ Canceling segment Comments/**/

SHIFT+ALT+JT writing a document annotation to a method
-----------F shortcut Key series-----------
F3: Open the file that declares the reference
F4: Open type hierarchy
F5: Single-step jumping in
F6: one-step skip
F7: Step Outside
F8: Continue, if there are no breakpoints behind, the program will run out
-----------Line editing with-----------
Ctrl+d: Delete When moving forward
Ctrl+alt+↓ Copy the current row to the next row (replication incremented)
Ctrl+alt+↑ Copy the current line to the previous row (replication incremented)
Alt+↓ the current line and the next line of interaction (especially useful, can be omitted first cut, then pasted)
Alt+↑ the current line and the upper row interaction position (IBID.)
Shift+enter inserts a blank row on the next line of the current row (at which point the mouse can be at any position in the current row, not necessarily the last)
Ctrl+shift+enter Insert blank line in current line (principle above)
-----------infrequently used-----------
alt+← the previous edited page
alt+→ next Edit page (of course, for the above article)
Ctrl+shift+s: Save All
Ctrl+w Closing the current editer
Ctrl+shift+f4 Close all open editer
CTRL+SHIFT+G: Searching for references in workspace
Ctrl+shift+p is positioned to the match (for example {}) (after locating from the front, the cursor is in the match, back to the front,

or vice versa)

Eclipse shortcut keys and common settings

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