Mastering your Eclipse IDE - Tips, Tricks, Java 8 tooling & More!

Noopur Gupta

Eclipse JDT/UI Committer

IBM India

[email protected]

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Eclipse Summit India 2016 | Mastering your Eclipse IDE

2Eclipse Summit India 2016 | Mastering your Eclipse IDE

Eclipse provides a lot of powerful features and capabilities.

Tips and Tricks

Java 8 Tooling

Keyboard Shortcuts

Eclipse Summit India 2016 | Mastering your Eclipse IDE 3

Toggle Full ScreenWindow > Appearance > Toggle Full Screen (Alt+F11)

Hide / Show ToolbarWindow > Appearance > Hide / Show Toolbar

Zoom in Text Editors• Zoom In: Ctrl + + (or) Ctrl + =

• Zoom Out: Ctrl + -

• Pinch gestures on touch-enabled devices

Abbreviate Package Names with Custom RulesWindow > Preferences > Java > Appearance > Abbreviate package names


In-place Outline (Ctrl + F3)

To pop up an in-place outline of the element at cursor position.

Externalized Strings

Ctrl + Click on key in .properties file to find referencing code.

Bookmarks

• Right-click on left editor pane > Add Bookmark… (OR) Edit > Add Bookmark…

• Bookmarks view


Show Annotations

To determine who last modified a line of code and when.

Right-click on left editor pane > Show Annotations

Plug-in Spy

• Alt + Shift + F1 – Plug-in Selection Spy

• Alt + Shift + F2 – Plug-in Menu Spy

Plug-in Image Browser

UI Responsiveness Monitoring

For automatic detection and logging of stack traces when Eclipse UI is unresponsive.

Window > Preferences > General > UI Responsiveness Monitoring


Content Assist Proposal – Insert or Overwrite

• Press ‘Ctrl’ to toggle while content assist is active.

• Window > Preferences > Java > Editor > Content Assist > Insertion

Block Selection Mode (Alt + Shift + A)

To edit a large number of almost identical lines at the same time.

Split Editors

Window > Editor > Toggle Split Editor (Horizontal) / (Vertical)

Word Wrap in Text Editors (Alt + Shift + Y)

Auto-Save of Dirty Editors

Window > Preferences > General > Editors > Autosave


Quick fix to change a project to be compatible with Java 8

Quick assists:• Convert anonymous class to lambda and back

• Add inferred lambda parameter types

• Change lambda body to expression or block

• Convert lambda to method reference and back

Clean up - Convert anonymous class to lambda and back

View and navigate to functional method

Search method references

Icon adornments for interface methods


Ctrl + Shift + L – List all keyboard shortcuts

Ctrl + Shift + L (twice): Preferences > General > Keys – Set key bindings


Alt + Up / Down Move line(s)

Ctrl + Alt + Up / Down Copy line(s)

Ctrl + D Delete line

Ctrl + / Comment / Uncomment line

Alt + Shift + Up / Down Expand selection to enclosing element

Ctrl + Shift + Up / Down Go to previous / next member

Ctrl + Shift + P Go to matching bracket

Ctrl + Q Go to last edit location

Ctrl + PgUp / PgDn Sequentially move from one editor to next

Ctrl + E Quickly filter and switch to any editor

Close selected editor with Delete key

Ctrl + M Maximize / Minimize Editor or View

Ctrl + Shift + V Open from Clipboard

Eclipse Help > Tips and Tricks…

Eclipse Help > Welcome > What’s new

Eclipse – New and Noteworthy

https://www.eclipse.org/eclipse/news/4.7/M1


https://www.eclipse.org/eclipse/news/4.7/M1


#EclipseSummit

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Mastering your Eclipse IDE - Tips, Tricks, Java 8 tooling & More!