In FireFox, I'm constantly using the Ctrl + 1-9 shortcut to switch tabs. Basically Ctrl + 1 will take me to the first tab, Ctrl + 2 will take me to the second one and so on.
Is there an equivalent for this shortcut in IntelliJ IDEA?
UPDATE:
You can now assign keyboard shortcuts to navigate to the specific tab number:
Original obsolete response:
There is no such feature in IDEA, however you can use Alt + Arrows and Ctrl + E (Recent Files) to navigate between tabs.
Other handy actions from the Go To menu:
Back / Forward (Ctrl + Alt + ←/→)
Last Edit Location (Ctrl + Shift + Backspace)
Another option is to use the GoToTabs third-party plug-in:
The plugin adds menu actions allowing you to go to a specific tab. You can of course assign keyboard shortcuts the individual actions and for example achieve the behavior known from other editors/IDEs where you can switch between tabs with alt+num.