Unknown symbols allover in eclipse

I want to change the sett开发者_开发知识库ings so that i should get rid of these symbols..

So how can i do that in eclipse

rightclick -> preferences -> uncheck 'show whitespace characters' -> ok

The command you are looking for is "Show Whitespace Characters". If you cannot find it in the toolbar or menu, the simplest way to disable it is:

press -3 enter "Show Whitespace Characters" select the command from the list with a double click or hitting