Java FileNameFilter example to list files with specific extension

If you need to pick up specific extensions from the given directory and you ask yourself how to filter files using Java. Should implement java FilenameFilter class and override accept() method. Then pass object to list() method to get specific file extensions. Java FileNameFilter example will show you all these stuffs.

Run the java filenamefilter program give the output

Directory javabycode stores all CSV files:
file.csv
filedata.csv

This sample seems to be simple but it is useful when you want to filter files in a directory. One other good example is How to filter directory using java.io.FileFilter.

Happy leanring!

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