ECLIPSE TIPS & TRICKS LAKSHMI P SHANMUGAM SARIKA SINHA - - PowerPoint PPT Presentation

SARIKA SINHA

Eclipse JDT & Platform Co-lead IBM

ECLIPSE TIPS & TRICKS

LAKSHMI P SHANMUGAM

Eclipse Platform Co-lead IBM

CODING

OVERVIEW

DARK THEME NAVIGATION CONFIGURATION SEARCH DEBUGGING

DARK THEME

DARK THEME

❏ CSS based Dark theme ❏ Major improvements in recent releases ❏ Native look

WINDOWS DARK THEME

Menu Dark Scrollbars

MAC & LINUX

❏ Eclipse by default automatically launches in dark theme if the system is in dark mode

Welcome Page Help

Command - Cmd (⌘) vs Control - Ctrl (^)

Quickly find anything in Eclipse Find Actions (Cmd + 3)

CONFIGURATION

CONFIGURATION

❏ Show key bindings for command (from Keys preferences

• r toggle using Find actions)

❏ Configure Window title (from Workspace preferences) ❏ Adjust view font size (from Colors & Font preferences) ❏ Zoom in/out text editors (Cmd ++/--) ❏ Maximize active editor/view (Ctrl + M) ❏ Show problem marker in editor (using Text editor preferences)

NAVIGATION

NAVIGATION

❏ Quickly switch editors (Cmd + E) ❏ Show in System Explorer (from Find actions) ❏ Show exit points of a method (place cursor on return type

• r exit statement)

❏ Mark occurrences (Cmd + . ) ❏ Multiple last edit location (Ctrl + Alt + → , Ctrl + Alt + ←) ❏ Code minings (enable in preferences or toggle from Find actions) ❏ Minimap ❏ Hover (Cmd + Shift + Hover, Shift + Hover, Cmd + Hover)

SEARCH

SEARCH

❏ Quick search (Alt + Shift + Cmd + L) ❏ Incremental search (Cmd + J) ❏ Java Search dialog ❏ Find references (Cmd + Shift + G) ❏ Include plugins from target platform in Java search

TROUBLESHOOTING

TROUBLESHOOTING

• Plug-in Spy (Alt + Shift + F1)
• Plug-in menu spy (Alt + Shift + F2)
• Layout spy (using Find actions)
• API Tooling: Hover over version error to see breaking

change

CODING

CODING

• Typing

○ Block selection (Alt + Cmd + A) ○ Quickly move line (Alt + ↑ / ↓ ) ○ Quickly duplicate line (Alt + Cmd + ↑ / ↓ ) ○ Word completion (Ctrl + . on Mac ) ( Alt + / on Win & Linux)

• Templates

○

View/create templates (Templates View/ Preferences page)

○

Switch expression templates (type switch followed by Ctrl + Space)

• Content assist

○

Autoactivation (.)

○

Insert/replace using content assist (With/without Ctrl)

○

Camel case & substring match (By default)

○

Subword & subtype completion (Setting in Preferences page)

○

Postfix completion (. after statement)

○

Non-blocking java completion (By default)

CODING

❏ Type Filters ❏ Pattern matching for instanceof ❏ Text block creation ❏ Cleanup

❏

Simplify functional interface instances ( Setting in Cleanup profile )

❏ Quick fixes

❏ Surround with "try-with-resources" block ❏ Quick fixes for module-info Javadoc ( Setting in Javadoc error level )

DEBUGGING

DEBUGGING

❏ Helpful NPE (Java 14) ❏ Suspension on recurrence of exception ❏ History for expressions in the Variables view ❏ Detail formatter/ Logical Structures ❏ Console output enhancements ❏ Lambda evaluation improvements ❏ Trigger point ( Set in Breakpoint properties) ❏ Tracepoint ( Run-> Toggle Tracepoint)

DEBUGGING

❏ Toggle method breakpoints from outline view ❏ Organising breakpoints by working set ❏ Show command line in launch configuration ❏ Launch Configuration Template ❏ Remote debugging launch configuration

❏

java -Xdebug

• agentlib:jdwp=transport=dt_socket,address=9999,

server=y,suspend=n

SMART DEBUGGING COMMANDS

Show active key bindings in Eclipse Cmd + Shift + L Modify the active key bindings in Keys preferences Cmd + Shift + L (Press Twice)

DOCUMENTATION

• Eclipse > Help > Tips & Tricks
• Eclipse > Help > Welcome > What’s new
• https://www.eclipse.org/eclipse/news/
• Sleak - https://www.eclipse.org/swt/tools.php

THANK YOU!

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