intellij idea - gems you can find inside

IntelliJ IDEA Gems you can find inside

Milan Krystek 12.05.2015

Introduction

• This is an opinionated very short list of features that I find useful or interesting

• Some of them were introduced recently hence I believe there is some chance that you don’t know all the stuff yet…

• I was using Eclipse for many years and started to use IntelliJ IDEA two years ago… I’ve never really looked back :)

How to learn about features in any app

How to learn about useful features?

• Find a list/cheatsheet with most important shortcuts– Keymap for Windows or go to the main menu and

choose Help | Default Keymap Reference– Keyboard Shortcuts You Cannot Miss

• Visit the product main page and features page

• Use Tip of the Day

Even more for self learners

• Quick Start Guide

• Productivity Tips

• What’s New

• Key Promoter Plugin– Shows to user how easy he can make same action using

only keyboard (menus and toolbar button mouse clicks initiate shortcut display)

• Video Tutorials

• JetBrains TV

• Help > Productivity Guide

Find that command

• Ctrl + Shift + A– Finds commands, settings– Shows you a keyboard shortcut too

Crafting the code

Smart Suggestions

Templates

Postfix Notation

Scratch files

Distraction Free Mode

• No toolbars; no tool windows; no editor tabs; the code is center-aligned

• To turn it on, click View → Enter Distraction Free Mode.

• Similar to Presentation Mode– But better for coding

• Available in 14.1

Refactoring

All Sorts Of Refactorings

Java 8 Inspections

Multiple Selections

Navigating in the code

Open File• Open Class via Ctrl+N

• Open File via Ctrl+Shift+N• Open Symbol via Ctrl+Alt+Shift+N• Shift, Shift – Search everything

– files, classes, symbols• Recently Opened Files via Ctrl+E• Recently Changed Files via Ctrl+Shift+E

Navigate

• to line number via Ctrl+G• to Declaration via Ctrl+B• to super method via Ctrl+U• to implementation via Ctrl+Alt+B• to last edit location via Ctrl+Shift+Backspace• to the next error or warning via F2• to a related unit test via via Ctrl+Shift+T

Code Analysis

• Find Usage of the Members via Alt+F7

• Show Usages via Ctrl+Alt+F7

Running & Debugging

Inline Debugger

Chronon Debugger

Built-In Decompiler for Java

Tools & Misc.

Terminal / SSH Console

• Terminal– Press Alt+F12 to view terminal window– You can change from cmd to cygwin/bash

or Git Bash

• SSH Console– Tools > Start SSH session..

Database Tools

External Tools

• Go to Settings > External Tools, add a new tool• Open File in GVim (if IdeaVim is not enough)

Program: c:\Program Files (x86)\Vim\vim71\gvim.exeParameters: "+call cursor($LineNumber$,$ColumnNumber$)" "$FilePath$"Working directory: $FileDir$

• Open File in TotalCommander Program: c:\Program Files (x86)\totalcmd\TOTALCMD.EXEParameters: /T $FilePath$Working directory: $FileDir$

Q&A

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