How to use My Eclipse in Java part4

Q) write a program to understand debugging?
most commonly used shortcuts
-----------------------------------------

Files / windows control

--> save : ctrl+s
--> save all : ctrl+shift+s
--> maximise / minimise window : ctrl + m
--> close a file in the window : ctrl + f4 / ctrl+w
--> close all files : ctrl + shift + w
--> how to change the file name :
right click -> refactor -> rename

-->How to change a variable name :
select variable + right click on variable
+ refactor + rename + give new name
+ press enter.

Code Editing

--> format code : ctrl+shift+f
--> organize imports : ctrl +shift + o
--> single line comment OR un comment : ctrl+ /
--> multi line comment : ctrl+shift+/
--> multi line un comment : ctrl + shift + \
-->delete line : Ctrl + D
--> how to generate setters and getters :
-> right click -> source -> generate getters and setters
--> short form System.out.println :
syso+ ctrl + space
--> short form of public static void main :
main + ctrl + space
-->copy line ==> CTRL + ALT + Up/Down
Navigation :
--> Activate Editor ==> F12
--> Forward History ==> Alt + right arrow
--> Backward History ==> Alt + left arrow
--> Next Perspective ==> Ctrl + F8
--> Next Window ==> Ctrl + F7
--> Quick View ==> Ctrl + E
--> Open Declaration ==> F3 or Graphically( ctrl+click on method )
--> Go to matching bracket ==> ctrl + shift + p
Others:
--> to see outline : ctrl + O
--> Open type : Ctrl + shift + T
--> Open Resource : Ctrl + Shift + R
--> search : Ctrl + H
--> Used on a method or class shows the whole inheritance tree, for example, all methods which implement an interface. ==> ctrl + T
--> Run as Java application ==> Alt + Shift + X - J
--> How to add struts, hibernate, spring, ...etc capabilities?
Q.) What is the web application directory structure?
Web project development