Why do we often use shortcut key during programming?
It maybe reduce the time of coding and reduce mistake.
It is not necessary to make use of shortcut, but we have to know essential shortcut.
Blue are often used.
단축키
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설명
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| F3 | Open Declaration: Jump to Declaration of selected class, method, or parameter [Ctrl + Mouse Click is the same] |
| F4 | Open Type Hierarchy window for selected item |
| F5 | Step Into function in debug |
| F6 | Next step (line by line) in debug |
| F7 | Step out in debug |
| F8 | Skip to next Breakpoint in debug |
| F11 | Debug |
| F12 | Jump to Editor Window |
| Ctrl + 1 | Open Quick Fix and Quick Assist |
| Ctrl + 7 | Comment / uncomment line or selection ( adds '//' ) |
| Ctrl + . (next) Ctrl + , (previous) |
Jump to next / jump to previous compiler syntax warning or error |
| Ctrl + Space | Opens Content Assist (e.g. show available methods or field names) |
| Ctrl + T | Show / open Quick Type Hierarchy for selected item |
| Ctrl + O | Show code outline / structure |
| Ctrl + L | Jump to Line Number. To hide/show line numbers, press ctrl+F10 and select 'Show Line Numbers' |
| Ctrl + F | Open find and replace dialog |
| Ctrl + J Ctrl + Shift + J |
Incremental search forward / backward. Type search term after pressing ctrl+j, there is now search window |
| Ctrl + K Ctrl + Shift + K |
Find previous / find next occurrence of search term (close find window first) |
| Ctrl + H | Search Workspace (Java Search, Task Search, and File Search) |
| Ctrl + F6 | Show list of open Editors. Similar to ctrl+e but switches immediately upon release of ctrl |
| Ctrl + F7 Ctrl + Shift + F7 |
Switch forward / backward between views (panels). Useful for switching back and forth between Package Explorer and Editor. |
| Ctrl + F8 Ctrl + Shift + F8 |
Switch forward / backward between perspectives |
| Ctrl + F11 | Save and launch application (run) |
| Ctrl + Shft + F | Autoformat all code in Editor using code formatter |
| Ctrl + Shift + O | Remove unnecessary import declare |
| Ctrl + Alt + H | Open Call Hierarchy |
| Alt + Enter | Show and access file properties |
| Alt + Arrow Left Alt + Arrow Right |
Go to previous / go to next Editor Window |
| Alt + Shift + R | Rename selected element and all references |
| Alt + Shift + M | Extract selection to method |
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