Editing

Question 1

Basic code completion

Answer 1

⌃ Space

Question 2

Complete statement

Answer 2

⌘⇧↩︎

Question 3

Parameter info

Answer 3

⌘ P

Question 4

Quick documentation lookup

Answer 4

⌘J, F1

Question 5

External Doc

Answer 5

⇧ F1

Question 6

Brief Info

Answer 6

⌘ + mouse

Question 7

Show descriptions of error at caret

Answer 7

⌘ F1

Question 8

Generate code…

Answer 8

⌘ N, ⌃↩︎

Question 9

Override methods

Answer 9

⌃ O

Question 10

Implement methods

Answer 10

⌃ I

Question 11

Surround with…

Answer 11

⌘ ⌥ T

Question 12

Comment / uncomment with line comment

Answer 12

⌘ /

Question 13

Comment / uncomment with block comment

Answer 13

⌘ ⌥/

Question 14

Extend selection

Answer 14

⌥ ↑

Question 15

Context info

Answer 15

⌃⇧Q

Question 16

Show intention actions and quick-fixes

Answer 16

⌥ ↩

Question 17

Reformat code

Answer 17

⌘⌥L

Question 18

Optimize imports

Answer 18

⌃ ⌥ O

Question 19

Auto-indent line(s)

Answer 19

⌃ ⌥ I

Question 20

Indent / unindent selected lines

Answer 20

⇥ /⇧⇥

Question 21

Paste from recent buffers…

Answer 21

⌘⇧V

Question 22

Duplicate current line

Answer 22

⌘D

Question 23

Delete line at caret

Answer 23

⌘backspace

Question 24

Smart line join

Answer 24

⌃⇧J

Question 25

Smart line split

Answer 25

⌘↩

Question 26

Start new line

Answer 26

⇧↩

Question 27

Toggle case for word at caret or selected block

Answer 27

⌘⇧U

Question 28

Select till code block end / start

Answer 28

⌘⌥⇧[ / ⌘⌥⇧]

Question 29

Delete to word end

Answer 29

⌥ ⌦

Question 30

Delete to word start

Answer 30

⌥ ⌨

Question 31

Expand / collapse code block

Answer 31

⌘ + / ⌘ -

Question 32

Expand all

Answer 32

⌘⇧+

Question 33

Collapse all

Answer 33

⌘⇧-

Question 34

Close active editor tab

Answer 34

⌘W