Previous usage/compile error

`Ctrl` + `,`

All hotkeys for NetBeans

Finding, searching, and replacing Search word at insert point	`Ctrl` + `F3`
Finding, searching, and replacing Find next in file	`F3`
Finding, searching, and replacing Find previous in file	`↑ Shift` + `F3`
Finding, searching, and replacing Find in file	`Ctrl` + `F`
Finding, searching, and replacing Replace in file	`Ctrl` + `H`
Finding, searching, and replacing Find usages	`Alt` + `F7`
Finding, searching, and replacing Find in projects	`Ctrl` + `↑ Shift` + `F`
Finding, searching, and replacing Replace in projects	`Ctrl` + `↑ Shift` + `H`
Finding, searching, and replacing Find usages results	`Alt` + `↑ Shift` + `U`
Finding, searching, and replacing Turn off search result highlights	`Alt` + `↑ Shift` + `H`
Finding, searching, and replacing Rename	`Ctrl` + `R`
Finding, searching, and replacing Convert selection to uppercase	`Ctrl` + `U` then `U`
Finding, searching, and replacing Convert selection to lowercase	`Ctrl` + `U` then `L`
Finding, searching, and replacing Toggle case of selection	`Ctrl` + `U` then `S`
Finding, searching, and replacing Paste formatted	`Ctrl` + `↑ Shift` + `V`
Finding, searching, and replacing Show Clipboard History	`Ctrl` + `↑ Shift` + `D`
Finding, searching, and replacing Jump to quick search field	`Ctrl` + `I`
Finding, searching, and replacing Copy file path	`Alt` + `↑ Shift` + `L`
Navigating through source code Go to type	`Ctrl` + `O`
Navigating through source code Go to file	`Alt` + `↑ Shift` + `O`
Navigating through source code Go to JUnit test	`Ctrl` + `↑ Shift` + `T`
Navigating through source code Go to source	`Ctrl` + `↑ Shift` + `B`
Navigating through source code Go to declaration	`Ctrl` + `B`
Navigating through source code Go to line	`Ctrl` + `G`
Navigating through source code Toggle add/remove bookmark	`Ctrl` + `↑ Shift` + `M`
Navigating through source code Next bookmark	`Ctrl` + `↑ Shift` + `.`
Navigating through source code Previous bookmark	`Ctrl` + `↑ Shift` + `,`
Navigating through source code Next usage/compile error	`Ctrl` + `.`
Navigating through source code Previous usage/compile error	`Ctrl` + `,`
Navigating through source code Select next element	`Alt` + `↑ Shift` + `.`
Navigating through source code Select previous element	`Alt` + `↑ Shift` + `,`
Navigating through source code Select in Projects	`Ctrl` + `↑ Shift` + `1`
Navigating through source code Select in Files	`Ctrl` + `↑ Shift` + `2`
Navigating through source code Select in Favorites	`Ctrl` + `↑ Shift` + `3`
Navigating through source code Move caret to matching bracket	`Ctrl` + `[`
Navigating through source code Next word match	`Ctrl` + `K`
Navigating through source code Previous word match	`Ctrl` + `↑ Shift` + `K`
Navigating through source code Go backward	`Alt` + `←`
Navigating through source code Go forward	`Alt` + `→`
Compiling, testing and running Set request parameters	`Ctrl` + `Q`
Navigating through source code Down Next/previous marked occurence	`Alt` + `↑ ↓`
Coding in C and C++ Go to declaration	`Alt` + `↑ Shift` + `C`
Debugging Evaluate expression	`Ctrl` + `F9`
Coding in Java Generate code	`Alt` + `Insert`
Coding in Java Fix all class imports	`Ctrl` + `↑ Shift` + `I`
Coding in Java Fix selected class's import	`Alt` + `↑ Shift` + `I`
Coding in Java Format selection	`Alt` + `↑ Shift` + `F`
Coding in Java Shift lines left / right	`Alt` + `↑ Shift` + `← →`
Coding in Java Copy lines up/down	`Alt` + `↑ Shift` + `↑ ↓`
Coding in Java Rectangular Selection (Toggle)	`Ctrl` + `↑ Shift` + `R`
Coding in Java Inspect members/hierarchy	`Ctrl` + `F12`
Coding in Java Inspect members/hierarchy	`Alt` + `F12`
Coding in Java Add comment lines	`Ctrl` + `↑ Shift` + `C`
Coding in Java Remove comment lines	`Ctrl` + `/`
Coding in Java Delete current line	`Ctrl` + `E`
Compiling, testing and running Compile package / file	`F9`
Compiling, testing and running Build main project	`F11`
Compiling, testing and running Clean and build main project	`↑ Shift` + `F11`
Compiling, testing and running Create Unit test	`Ctrl` + `↑ Shift` + `U`
Compiling, testing and running Run unit test on file	`Ctrl` + `F6`
Compiling, testing and running Run unit test on project	`Alt` + `F6`
Compiling, testing and running Run main project	`F6`
Compiling, testing and running Run main file	`↑ Shift` + `F6`
Opening and toggling between views Switch between open documents by order used	`Ctrl` + `⭾ Tab`
Opening and toggling between views Switch between open documents by order used	`Ctrl` + `
Opening and toggling between views Maximize window (toggle)	`↑ Shift` + `Esc`
Opening and toggling between views Close selected window	`Ctrl` + `F4`
Opening and toggling between views Close selected window	`Ctrl` + `W`
Opening and toggling between views Close all windows	`Ctrl` + `↑ Shift` + `F4`
Opening and toggling between views Open contextual menu	`↑ Shift` + `F10`
Opening and toggling between views Switch between open documents by order of tabs	`Ctrl` + `Page Up`
Opening and toggling between views Switch between open documents by order of tabs	`Ctrl` + `Page Down`
Opening and toggling between views Reopen recently closed file	`Ctrl` + `Alt` + `T`
Opening and toggling between views Toggle between editor types	`Ctrl` + `Alt` + `Page Up`
Opening and toggling between views Toggle between editor types	`Ctrl` + `Alt` + `Page Down`
Opening and toggling between views Zoom text in / out	`Alt` + `Mouse wheel up and down`
Opening and toggling between views Toggle inspect mode	`Ctrl` + `↑ Shift` + `S`
Debugging Start debugging main project	`Ctrl` + `F5`
Debugging Start debugging current file	`Ctrl` + `↑ Shift` + `F5`
Debugging Start debugging test for file	`Ctrl` + `↑ Shift` + `F6`
Debugging Stop debugging session	`↑ Shift` + `F5`
Debugging Continue debugging session	`F5`
Debugging Run to cursor location in file	`F4`
Debugging Step into	`F7`
Debugging Step over	`F8`
Debugging Step out	`Ctrl` + `F7`
Debugging Go to called method	`Ctrl` + `Alt` + `↑`
Debugging Go to calling method	`Ctrl` + `Alt` + `↓`
Debugging Toggle breakpoint	`Ctrl` + `F8`
Debugging New breakpoint	`Ctrl` + `↑ Shift` + `F8`
Debugging New watch	`Ctrl` + `↑ Shift` + `F7`