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IntelliJ IDEA Migrating From Eclipse

Eclipse is a popular IDE for Java Developer. If the current Eclipse user wants to switch from eclipse IDE to IntelliJ IDE then it requires the understanding of some basic differences between these two IDEs. These basic differences includes User Interface, Terminologies, Project Configuration, Popular Shortcuts and some other aspects.

User Interface

1. No Workspace - In IntelliJ IDEA, we can work with only one project at a time but in Eclipse, we can work with a set of projects at the same time.

2. No Perspective - It means, we cannot switch between different workspace layouts manually to perform different tasks.

3. Multiple Windows - In IntelliJ IDEA, we cannot open multiple windows with single project but we can open any number of editor tabs into separate windows.

Eclipse Vs IntelliJ Terminology

The following table compares Eclipse and IntelliJ IDEA terminologies -

SN Eclipse IntelliJ IDEA
1 WorkSpace Project
2 Project Module
3 Facet Facet
4 Library Library
5 ClassPath variable Path variable
6 JRE SDK

Shortcuts

IntelliJ IDEA shortcuts are different from Eclipse shortcuts. Some popular shortcuts are given in the below table.

Eclipse IntelliJ IDEA
Action Shortcut Action Shortcut
Run Ctrl + Shift + F11 Run Shift + F11
Debug Ctrl + F11 Debug Shift + F9
Rename Ctrl + Alt + R Rename Shift + F6
Search Ctrl + Shift + K Search Ctrl + Shift + F
Go To Line Ctrl + L Go To Line Ctrl + G
Format Ctrl + Shift + F Format Ctrl + Alt + L
Move Line Alt + Up/Down Move Line Shift + Alt + Up/Down
Delete Line Ctrl + D Delete Line Ctrl + Y
Last Edit Location Ctrl + Q Last Edit Location Ctrl + Shift + Backspace
Next Editor Ctrl + F6 Next Editor Alt + Right
Find Next Ctrl + J Find Next F3
Forword Ctrl + J Forword Ctrl + Alt + Right
Code Completion Ctrl + Space Code Completion Ctrl + Space

Eclipse Keymap

IntelliJ IDEA Provides an Eclipse keymap that closely related to its shortcuts. To open Eclipse keymap, do the following things:

1. Go to File -> Setting -> Keymap option

2. Select Eclipse from Keymap dropdown.


IntelliJ IDEA Migrating From Eclipse

Code Formating

IntelliJ IDEA Code Formating rules are approximatly similar to the Eclipse IDE with some minor differences. To import Eclipse Code Formatter setting do the following:

1. Go to File->Setting->Editor->Code Style->Java

2. Select Import Scheme->Eclipse XML Profile


IntelliJ IDEA Migrating From Eclipse

Debugging

IntelliJ IDEA and Eclipse debugger are similar but they use different shortcuts. Some of the debugger shortcuts are given below in the table:

Eclipse IntelliJ IDEA
Action Shortcut Action Shortcut
Step Into F5 Step Into F7
Step Over F6 Step Over F8
Step Out F7 Step Out Shift + F8
Resume F8 Resume F9
Toggle breakpoint Ctrl + Shift + B Toggle breakpoint Ctrl + F8

Importing an Eclipse project to IntelliJ IDEA

Follow the steps given below to import Eclipse Project in IntelliJ IDEA:

1. Go to File->New->Project from Existing Source

2. Select Eclipse Project Directory

3. Import Project Wizard open. Select Create Project from Existing Sources.


IntelliJ IDEA Migrating From Eclipse

4. Follow on-screen instruction to continue.

5. Finish






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