how to write the String Array into the own file

hello sir:
i create a new file my coding

Code:

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try {
                File file = new File("Logfilename.txt");
                FileInputStream fileInputStream = new FileInputStream(file);
                f = new FileOutputStream(file);
                d=new DataOutputStream(f);
              catch (IOException e) {
            }

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I want to wite the value into my file .. My value is s...i want to take the value s and wite in my file

Code:

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for(String s : WMSLoggerIDs.FD_ALL) {
                          System.out.println(WMSLoggerFactory.getGlobalLogValue(s));

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Check out the io tutorials, it's fairly simple with a print writer.
Lesson: Basic I/O (The Java™ Tutorials > Essential Classes)

Thank you Sir.I got it