How to remove the dots in eclipse projects?

I am working on android projects using Eclipse IDE.开发者_如何学JAVA Since two days my files are opening with all dots and symbols. Can you please tell us what is the reason for that? How to remove those symbols?

Thank you,

Try this

From the Window menu Prefrences + Editors + Text Editors + Unchecked the Show Whitespace characters.

You can just go to Preferences -> Java -> Editor -> Save Actions and configure it to remove trailing whitespace