Best/Most-Usefull Eclipse Shortcuts

Ctrl + E                           → Shows all the open editor
Ctrl + F-6/7/8                  → Moving B/T editor/views/perspective
Ctrl + pgUp/pgDown      → Moves in the tabs

Ctrl + 1        → Quick Fix
Ctrl + 3        → Quick Access                                   ----> My Favorite

Ctrl + Shift + R       → Resource
Ctrl + Shift + O       → Organize Import
Ctrl + Shift + T        → Types of Class
Ctrl + Shift + L        → Shortcuts
Ctrl + O                  → Member of class
Ctrl + D                  → Deletes the Current Line

Alt + Up/Down       → Moves Current line up/down
Alt + Left/Down      → Last edited location

Ctrl + N                  → New somthing
Ctrl + M                 → Maximize/Minimize
Ctrl + I                   → Corrects Indentation
Ctrl + J                  → Incremental Search
Ctrl + F11              → Runs the application on the basis of settings

Create/Bind Commands    → Windows > Preference > Java > Code Style > Formatter

 P.S - i still have to see, how binding the commands work in eclipse
       - If in case eclipse crashes you can always look in .log file present in workspace>.metadata>.log
       - to manually change tomcat's port go to tomcat/conf/server.xml and change the "connector port" of with http-protocol
       - to change tomcats port from eclipse, simply double click on an existing tomcat server and change the port no.