IDEA’s most commonly used shortcut keys:
| effect | hot key |
|---|---|
Commented code generated //comments |
Ctrl + / |
Comment code block generation /**/comment |
Ctrl + Shift + / |
| Quickly correct mistakes | alt + Enter |
| Quickly generate get, set, constructor, toString methods | alt + Insert |
| New line | Shift + Enter |
| Quick format code | Ctrl + alt + L |
| Batch modify variables | Ctrl + alt + shift + J |
| Move lines of code | Shift + alt + ↑ or ↓ |
| Delete or cut | Ctrl + X |
| Copy a line of code, select multiple lines to copy | Ctrl + D |
| Recently opened files | Ctrl + E |
| Case switch | Ctrl + shift + u |
| View method documentation | Ctrl + Q |
| View method parameters | Ctrl + P |
| Jump to implementation class | Ctrl+ alt +B or ctrl + alt + left mouse button |
| Inheritance | Ctrl + H |
| Recall previously operated files | Ctrl + E |
| Clear useless guide package | Ctrl + alt + o |
| Fast extraction method shortcut | Ctrl + alt + M |
surround with select the code and quickly generate surrounding statements for exampletry catch |
Ctrl + alt +T |
| Full text replacement can be regular regular matching | Ctrl + Shift + R |
Display class hierarchy Hierarchyside window |
Ctrl +H |
debug模式Open the Evalate calculation expression window |
alt + F8 |
| Jump to the last position | Ctrl+ alt + ⬅, in the same way ➡ is the reverse usage |
Debug:
F8 executes the next line (equivalent to F6 of eclipse)
F7 jumps into the interior (equivalent to eclipse's F5)
F9 continues execution (equivalent to F8 of eclipse)
search for
| effect | hot key |
|---|---|
| research all | ctrl + shift + f |
| Full text replacement | ctrl + shift + r |
| Search class | ctrl + n |
| Search anywhere | shift + shift |
Fast entry
| effect | hot key |
|---|---|
| View the quick entry list | ctrl + j |
| foreach loop | iter |
| Normal for loop | holes |
| Loop array | itar |
| Iterator traversal | itco for (Iterator iterator = collection.iterator(); iterator.hasNext(); ) { Object next = iterator.next();} |
| 主函数 | psvm （public static void main 的首字母） |
| 常量 | pfs （public final String） |
| 生成代码块 | try/ if / for/ while/ synchronized ctrl + alt + T |
不怎么常用的：
Ctrl + alt + Shift + S 打开项目结构
Ctrl + } 或者 Ctrl + { 跳到光标行的花括号匹配的另外一个大括号的位置