IntelliJ IDEA useful key shortcuts

• ALT + UP/DOWN - mark text contextual 
• CMD + F12 - members in file
• F8, F7, SHIFT + F8, F9  - Debug over, into, out, resume
• CMD + SHIFT + F8 - view breakpoints
• CMD + N - generate in class
• CMD + E - recent open files
• CMD + ALT + B - go to implementation
• F1 - javadoc of content
• CTRL + H - class hierarchy
• CMD + J - live templates
• CMD + ALT + T - surrount with
• CTRL + T - refactor menu
• CMD + P - show method types arguments
• CMD + SHIFT + BACKSPACE - cycle history actions
• CMD+ SHIFT + V - paste from last 5 copies
• CMD + SHIFT + E - recently changed files

• CMD + R - replace
• ALT + F7 - find usage
• ALT + SHIFT + UP/DOWN - move text
• CTRL + SPACE - code completion
• ALT + CTRL + L - format code
• ALT + CTRL + O - reformat imports
• CMD + BACKSPACE - delete line
• CMD + SHIFT + F - find in path
• CMD + SHIFT + R - replace in path
• CMD + O - open class
• CMD + SHIFT + O - open file
• CMD + L - go to line
• CMD + SHIFT + A - suggests actions
• CMD + B - go to declaration
• CTRL + SHIFT + R - run test
• CMD + ALT + SHIFT + F7 - find usage
• CMD + / - comment line
• SHIFT + F6 - change name
• CTRL +SHIFT + R - run
• CTRL + SHIFT + D - debug
• CMD + SHIFT + T - create or go to test