Working with UTF-8 text files as if they were ANSI?

I have a text file saved in UTF-8, containing several characters from different languages. It's created in Notepad.
I want to read that file into my Java application, which before only was used with regular ANSI .txt files.
When showing the contents of the file on the screen (Swing GUI), the text is totally distorted. The application obviously doesn't understand from the beginning that the text file is encoded with UTF-8.
Somehow I must convert the information in the file so that
1) I can process the UTF-8 text in all String functions as if it were common ANSI text, and
2) I can show the contents of those Strings on the screen in my Java application, and making it look like it should, whether it's English or Russian.
Does anyone here have any tips or code samples that I can use?
Thanks

That is kind of what I'm trying to find out, how to read the file...
When I read a text file that is saved as UTF-8, the letters don't show properly on the screen. Instead of, for example, a Pi symbol I would get a ?� or something.
Though if I hardcode a String object that contains "\u0030" or a similar Unicode character, it shows properly.
How do you read in the file???
When you read in the file, you have to take the
encoding into account.
Take a look at InputStreamReader. This class allows
you to specify the character encoding you will use.

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